1 osculum | Definition of osculum

osculum

noun
os·​cu·​lum | \ ˈä-skyÉ™-lÉ™m How to pronounce osculum (audio) \

Definition of osculum

: an excurrent opening of a sponge

First Known Use of osculum

1887, in the meaning defined above

History and Etymology for osculum

New Latin, from Latin, diminutive of os mouth

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More from Merriam-Webster on osculum

Britannica.com: Encyclopedia article about osculum