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Definition of Osculum
1. n. Same as Oscule.
Definition of Osculum
1. Noun. (biology) an opening in a sponge from which water is expelled. ¹
¹ Source: wiktionary.com
Definition of Osculum
1. an opening in a sponge [n -LA]
Medical Definition of Osculum
1.
Origin: L, a little mouth.