A mouth or an opening.
[Latin ōs, mouth.]
os2 (ŏs)
n., pl. os·sa (ŏs'ə).
A bone.
[Latin, bone.]
os3 (ōs)
n., pl. os·ar (ō'sär').
See esker.
[Swedish ås, ridge, from Old Norse āss.]
os
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Dictionary:
os1 (ŏs) |
os2 (ŏs)
n., pl. os·sa (ŏs'ə).
os3 (ōs)
n., pl. os·ar (ō'sär').
| 5min Related Video: os |
| Medical Dictionary: os |
(ŏs)
n., pl. o·ra (ôr'ə).
n., pl. os·sa (ŏs'ə).
n., pl. o·ra (ôr'ə).
- An opening into a hollow organ or canal.
- The oral cavity; mouth.
n., pl. os·sa (ŏs'ə).
Bone.
| WordNet: os |
Note: click on a word meaning below to see its connections and related words.
The noun has 2 meanings:
Meaning #1:
a mouth or mouthlike opening
Meaning #2:
rigid connective tissue that makes up the skeleton of vertebrates
Synonym: bone
Copyrights:
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Sports Science and Medicine. The Oxford Dictionary of Sports Science & Medicine. Copyright © Michael Kent 1998, 2006, 2007. All rights reserved. Read more |
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| Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Read more |
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| Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more |
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| WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. Read more |
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