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Related to osculum: spongin, choanocyte, Osculum infame


n. pl. os·cu·la (-kyə-lə)
A large opening in a sponge, through which water is expelled.

[Latin ōsculum, diminutive of ōs, mouth; see ōs- in Indo-European roots.]

os′cu·lar adj.


(ˈɒskjʊləm) or


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]


(ˈɒs kyə ləm)

n., pl. -la (-lə).
a small mouthlike aperture, as of a sponge.
[1605–15; < New Latin, Latin ōsculum <ōs mouth]
References in periodicals archive ?
75 cm thick and were beige (flesh) in color with identifiable surface osculum (Figure 1, top).
Romans had three kisses: Basium on the lips, Osculum on the cheek and Suavium, the full monty.
This motion creates a vacuum that sucks water into the chambers and is expelled through the osculum at the top.