testes

tes·tes

[tes-teez]
noun
plural of testis.
Dictionary.com Unabridged

tes·tis

[tes-tis]
noun, plural tes·tes [-teez] . Anatomy, Zoology.
the male gonad or reproductive gland, either of two oval glands located in the scrotum.

Origin:
1675–85; < Latin

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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00:10
Testes is always a great word to know.
So is bezoar. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Collins
World English Dictionary
testes (ˈtɛstiːz) [Click for IPA pronunciation guide]
 
n
the plural of testis

testis (ˈtɛstɪs) [Click for IPA pronunciation guide]
 
n , pl -tes
another word for testicle
 
[C17: from Latin, literally: witness (to masculinity)]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

testis
(pl. testes), 1704, from L. testis "testicle," usually regarded as a special application of testis "witness" (see testament), presumably because it "bears witness" to virility (cf. Gk. parastates, lit. "one that stands by;" and Fr. slang témoins, lit. "witnesses").
But Buck thinks Gk. parastatai "testicles" has been wrongly associated with the legal sense of parastates "supporter, defender" and suggests instead parastatai in the sense of twin "supporting pillars, props of a mast," etc. Walde, meanwhile, suggests a connection between testis and testa "pot, shell, etc."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

testis tes·tis (těs'tĭs)
n. pl. tes·tes (-tēz)
The male reproductive gland, the source of spermatozoa and the androgens, normally occurring paired in an external scrotum. Also called didymus, orchis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
testis   (těs'tĭs)  Pronunciation Key 
Plural testes (těs'tēz)
The primary reproductive organ of male animals, in which sperm and the male sex hormones (androgens) are produced. In most vertebrates, the testes are contained inside the body. In many mammals, however, the testes are enclosed in an external scrotum.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
testes [(tes-teez)]

sing. testis (tes-tis)

The two organs in the male reproductive system that produce sperm and testosterone. The testes are housed in the scrotum.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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