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[os-kyuh-luh m] /ˈɒs kyə ləm/
noun, plural oscula
[os-kyuh-luh] /ˈɒs kyə lə/ (Show IPA)
a small mouthlike aperture, as of a sponge.
Origin of osculum
1605-15; < New Latin, Latin ōsculum, equivalent to ōs mouth + -culum -cule1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for osculum


noun (pl) -la (-lə)
(zoology) a mouthlike aperture, esp the opening in a sponge out of which water passes
Word Origin
C17: from Latin: a kiss, little mouth, diminutive of ōs mouth
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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osculum in Medicine

osculum os·cu·lum (ŏs'kyə-ləm)
n. pl. os·cu·la (-lə)
A pore or minute opening.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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