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n. pl. os·cu·la (-kyə-lə)
A large opening in a sponge, through which water is expelled.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -la (-lə)
(Zoology) zoology a mouthlike aperture, esp the opening in a sponge out of which water passes
[C17: from Latin: a kiss, little mouth, diminutive of ōs mouth]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
os•cu•lum(ˈɒs kyə ləm)
n., pl. -la (-lə).
a small mouthlike aperture, as of a sponge.
[1605–15; < New Latin, Latin ōsculum <ōs mouth]
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