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[os-uh-frij] /ˈɒs ə frɪdʒ/
the lammergeier.
Archaic. the osprey.
Origin of ossifrage
1595-1605; < Latin ossifraga sea eagle, literally, bone-breaker (noun use of feminine of ossifragus bone-breaking), equivalent to ossi- (combining form of os) bone + frag-, variant stem of frangere to break + -a nominative singular feminine noun and adj. ending Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for ossifrage
Historical Examples
  • These are they of which ye shall not eat: the eagle, and the ossifrage, and the ospray.

    Bible Animals; J. G. Wood
  • These are they of which ye shall not eat; the eagle, and the ossifrage, and the osprey.

    Bible Animals; J. G. Wood
  • The word is said to be a corruption of ossifrage, the "bone-breaker."

    An Australian Bird Book John Albert Leach
British Dictionary definitions for ossifrage


/ˈɒsɪfrɪdʒ; -ˌfreɪdʒ/
an archaic name for lammergeier, osprey (sense 1)
Word Origin
C17: from Latin ossifraga sea eagle; see osprey
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
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Word Origin and History for ossifrage

"sea-eagle, osprey," c.1600, from Latin ossifraga "vulture," fem. of ossifragus, literally "bone-breaker," from ossifragus (adj.) "bone-breaking," from os (genitive ossis) "bone" (see osseous) + stem of frangere "to break" (see fraction). By this name Pliny meant the lammergeier (from German, literally "lamb-vulture"), a very large Old World vulture that swallows and digests bones and was believed also to drop them from aloft to break them and get at the marrow. But in England and France, the word was transferred to the osprey, perhaps on similarity of sound between the two words.

Online Etymology Dictionary, © 2010 Douglas Harper
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