osar

osar

[oh-sahr]
noun
plural of os3.
Dictionary.com Unabridged

os

1 [os] .
noun, plural ossa [os-uh] .
Anatomy, Zoology. a bone.

Origin:
1540–50; < Latin

os

2 [os] .
noun, plural ora [awr-uh, ohr-uh] .
Anatomy, Zoology. a mouth or orifice of the body.

Origin:
1730–40; < Latin ōs mouth

os

3 [ohs] .
noun, plural osar [oh-sahr] .
Geology. an esker, especially when of great length.

Origin:
< Swedish ås (plural åsar) ridge

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
os1 (ɒs)
 
n , pl ossa
anatomy the technical name for bone
 
[C16: from Latin: bone; compare Greek osteon]

os2 (ɒs)
 
n , pl ora
anatomy, zoology a mouth or mouthlike part or opening
 
[C18: from Latin]

os3 (əʊs)
 
n , pl osar
another name for esker
 
[C19 osar (pl), from Swedish ås (sing) ridge]

Os
 
the chemical symbol for
osmium

OS
 
abbreviation for
1.  Old School
2.  Old Style (method of reckoning dates)
3.  Ordinary Seaman
4.  (in Britain) Ordnance Survey
5.  outsize
6.  Old Saxon (language)

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

os 1 (ŏs)
n. pl. o·ra (ôr'ə)

  1. An opening into a hollow organ or canal.

  2. The oral cavity; mouth.

os 2 (ŏs)
n. pl. os·sa (ŏs'ə)
Bone.

Os
The symbol for the element osmium.

OS abbr.
Latin oculus sinister (left eye)

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
Os  
The symbol for osmium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang Dictionary

OS

/O-S/
1. [Operating System] n. An abbreviation heavily used in email, occasionally in speech.
2. n. obs. On ITS, an output spy. See "OS and JEDGAR" in Appendix A.
American Heritage
Abbreviations & Acronyms
Os
osmium
OS
  1. offscreen

  2. Old Saxon

  3. Old Style (calendar)

  4. operating system

  5. ordinary seaman

  6. out of stock

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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