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ossa

[os-uh]
noun
  1. plural of os1.
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Ossa

[os-uh]
noun
  1. a mountain in E Greece, in Thessaly. 6490 feet (1978 meters).
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os

1
[os]
noun, plural os·sa [os-uh] /ˈɒs ə/.
  1. Anatomy, Zoology. a bone.
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Origin of os

1
Borrowed into English from Latin around 1540–50

os

2
[os]
noun, plural o·ra [awr-uh, ohr-uh] /ˈɔr ə, ˈoʊr ə/.
  1. Anatomy, Zoology. a mouth or orifice of the body.
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Origin of os

2
First recorded in 1730–40, os is from the Latin word ōs mouth

os

3
[ohs]
noun, plural o·sar [oh-sahr] /ˈoʊ sɑr/.
  1. Geology. an esker, especially when of great length.
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Origin of os

3
< Swedish ås (plural åsar) ridge
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ossa

Historical Examples of ossa

  • But to-night the Prince was not only alive, but also, Ossa upon Pelion, in a good humor!

    The Genius

    Margaret Horton Potter

  • What do Pindus and Ossa symbolize, and what exactly does their melting mean?

  • It had the command of Tempe, and of both the mountains Pelion and Ossa.

  • On the Pelion of her own misery she heaped the Ossa of self-condemnation.

    When 'Bear Cat' Went Dry

    Charles Neville Buck

  • Oh, Ossa on Pelion, mount piled on mount, of error and folly!


British Dictionary definitions for ossa

ossa

noun
  1. the plural of os 2
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Ossa

noun
  1. a mountain in NE Greece, in E Thessaly: famous in mythology for the attempt of the twin giants, Otus and Ephialtes, to reach heaven by piling Ossa on Olympus and Pelion on Ossa. Height: 1978 m (6489 ft)
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Os

the chemical symbol for
  1. osmium
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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)
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os

1
noun plural ossa (ˈɒsə)
  1. anatomy the technical name for bone
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Word Origin for os

C16: from Latin: bone; compare Greek osteon

os

2
noun plural ora (ˈɔːrə)
  1. anatomy zoology a mouth or mouthlike part or opening
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Word Origin for os

C18: from Latin

os

3
noun plural osar (ˈəʊsɑː)
  1. another name for esker
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Word Origin for os

C19 osar (pl), from Swedish ås (sing) ridge
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ossa in Medicine

Os

  1. The symbol for the elementosmium
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OS

abbr.
  1. oculus sinister (left eye)
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

ossa in Science

Os

  1. The symbol for osmium.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.