[ os-kyuh-luhm ]
/ ˈɒs kyə ləm /
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noun, plural os·cu·la [os-kyuh-luh]. /ˈɒs kyə lə/.
a small mouthlike aperture, as of a sponge.
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Origin of osculum

1605–15; <New Latin, Latin ōsculum, equivalent to ōs mouth + -culum-cule1
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How to use osculum in a sentence

British Dictionary definitions for osculum

/ (ˈɒskjʊləm) /

noun plural -la (-lə)
zoology a mouthlike aperture, esp the opening in a sponge out of which water passes

Word Origin for osculum

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

Medical definitions for osculum

[ ŏskyə-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.