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fossette

noun fos·sette \ (ˈ)fä¦set , (ˈ)fȯ¦- \
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Definition of fossette

plural -s
: a small fossa : a little hollow; specifically : a depression for the resilium in bivalve shells

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Origin and Etymology of fossette

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

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