fossette

noun

fos·​sette

(ˈ)fä¦set,

(ˈ)fȯ¦-

plural -s

: a small fossa : a little hollow

specifically : a depression for the resilium in bivalve shells

Word History

Etymology

French, small cavity, dimple, from Old French fossete, from fosse + -ete -ette

First Known Use

1827, in the meaning defined above

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