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osculum (plural oscula)
- (chiefly zoology) A small opening or orifice. [from 18th c.]
- (zoology, obsolete) One of the suckers on the head of a tapeworm.
- (zoology) The main opening in a sponge from which water is expelled.
- 2012, Caspar Henderson, The Book of Barely Imagined Beings, 2013 edition, Granta Books, page 29:
- Waste water was expelled through a single osculum at about 8.5 cm per second – more than eight thousand times as fast as it circulated in the chambers and 85 times as fast as it entered the sponge in the first place.
main opening in a sponge
- (Classical) IPA(key): /ˈoːs.ku.lum/, [ˈoːs̠kʊɫ̪ʊ̃ˑ]
- (Ecclesiastical) IPA(key): /ˈos.ku.lum/, [ˈɔskulum]
Second-declension noun (neuter).
- → English: osculum
- → French: oscule
- → Italian: osculo
- Romanian: uști
- → Portuguese: ósculo
- → Spanish: ósculo
- osculum in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- osculum in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
- osculum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
- osculum in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette