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sex

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sex

  [seks]
Use sex in a Sentence
–noun
1. either the male or female division of a species, esp. as differentiated with reference to the reproductive functions.
2. the sum of the structural and functional differences by which the male and female are distinguished, or the phenomena or behavior dependent on these differences.
3. the instinct or attraction drawing one sex toward another, or its manifestation in life and conduct.
4. coitus.
5. genitalia.
–verb (used with object)
6. to ascertain the sex of, esp. of newly-hatched chicks.
—Verb phrase
7. sex up, Informal.
a. to arouse sexually: The only intent of that show was to sex up the audience.
b. to increase the appeal of; to make more interesting, attractive, or exciting: We've decided to sex up the movie with some battle scenes.
—Idiom
8. to have sex, to engage in sexual intercourse.
Origin:
1350–1400; ME < L sexus, perh. akin to secāre to divide (see section )
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sex

  [seks]
–adjective Latin.
six.

sex-

 
a combining form, occurring in loanwords from Latin, meaning “six” (sexagenary); on this model used in the formation of compound words: sexpartite.
Also, sexi-.

Origin:
< L, comb. form of sex six
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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sex   (sěks)   
n.  

    1. The property or quality by which organisms are classified as female or male on the basis of their reproductive organs and functions.

    2. Either of the two divisions, designated female and male, of this classification.

  2. Females or males considered as a group.

  3. The condition or character of being female or male; the physiological, functional, and psychological differences that distinguish the female and the male. See Usage Note at gender.

  4. The sexual urge or instinct as it manifests itself in behavior.

  5. Sexual intercourse.

  6. The genitals.

tr.v.   sexed, sex·ing, sex·es

  1. To determine the sex of (an organism).

  2. Slang

    1. To arouse sexually. Often used with up.

    2. To increase the appeal or attractiveness of. Often used with up.


[Middle English, from Latin sexus.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

sex  (n.)
1382, "males or females collectively," from L. sexus "state of being either male or female, gender." "Commonly taken with seco as division or 'half' of the race" [Tucker], which would connect it to secare "to divide or cut" (see section). Meaning "quality of being male or female" first recorded 1526. Meaning "sexual intercourse" first attested 1929 (in writings of D.H. Lawrence); meaning "genitalia" is attested from 1938. Sexy first recorded 1925 (as an Eng. word in Fr.), originally "engrossed in sex;" sense of "sexually attractive" is 1932. Sex appeal first recorded 1924; sex drive is from 1918; sex object and sex symbol both first attested 1911, the former in ref. to Jesus. Sexpot is from 1954. Sexpert "sex therapist" is from 1924. Sexploitation is attested from 1942.

sex  (v.)
1884, "to determine the sex of," from sex (n.); to sex (something) up "increase the sex appeal of" is recorded from 1942.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: 1sex
Pronunciation: 'seks
Function: noun
1 : either of the two major forms of individuals that occur in many species and thatare distinguished respectively as male or female
2 : the sum of the structural, functional, and behavioral characteristics of living things that are involved in reproduction by twointeracting parents and that distinguish males and females
3 a : sexually motivated phenomena or behavior b : SEXUAL INTERCOURSE

Main Entry: 2sex
Function: transitive verb
: to identify the sex of sexing human embryos>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

sex (sěks)
n.

  1. The property or quality by which organisms are classified as female or male on the basis of their reproductive organs and functions.

  2. Either of the two divisions, designated female and male, of this classification.

  3. Females or males considered as a group.

  4. The condition or character of being female or male; the physiological, functional, and psychological differences that distinguish the female and the male.

  5. The sexual urge or instinct as it manifests itself in behavior.

  6. Sexual intercourse.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Computing Dictionary

SEX
/seks/ [Sun Users' Group & elsewhere] 1. Software EXchange. A technique invented by the blue-green algae hundreds of millions of years ago to speed up their evolution, which had been terribly slow up until then. Today, SEX parties are popular among hackers and others (of course, these are no longer limited to exchanges of genetic software). In general, SEX parties are a Good Thing, but unprotected SEX can propagate a virus. See also pubic directory.
2. The mnemonic often used for Sign EXtend, a machine instruction found in the PDP-11 and many other architectures. The RCA 1802 chip used in the early Elf and SuperElf personal computers had a "SEt X register" SEX instruction, but this seems to have had little folkloric impact.
DEC's engineers nearly got a PDP-11 assembler that used the "SEX" mnemonic out the door at one time, but (for once) marketing wasn't asleep and forced a change. That wasn't the last time this happened, either. The author of "The Intel 8086 Primer", who was one of the original designers of the Intel 8086, noted that there was originally a "SEX" instruction on that processor, too. He says that Intel management got cold feet and decreed that it be changed, and thus the instruction was renamed "CBW" and "CWD" (depending on what was being extended). The Intel 8048 (the microcontroller used in IBM PC keyboards) is also missing straight "SEX" but has logical-or and logical-and instructions "ORL" and "ANL".
The Motorola 6809, used in the UK's "Dragon 32" personal computer, actually had an official "SEX" instruction; the 6502 in the Apple II with which it competed did not. British hackers thought this made perfect mythic sense; after all, it was commonly observed, you could (on some theoretical level) have sex with a dragon, but you can't have sex with an apple.
[The Jargon File]
(1998-03-03)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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Idioms & Phrases

sex

see fair sex.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Abbreviations & Acronyms
SEX
Sextans (constellation)
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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