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osculum

Syllabification: (os·cu·lum)
Pronunciation: /ˈäskyələm/
Definition of osculum

noun (plural oscula /-lə/)

Zoology
  • a large aperture in a sponge through which water is expelled.

Origin:

early 17th century: from Latin, 'little mouth'

osculum in other Oxford dictionaries

Definition of osculum in the British & World English dictionary

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