fos·sette
| \ (ˈ)fä¦set, (ˈ)fȯ¦- \
plural -s
Definition of fossette
: a small fossa : a little hollow
specifically
: a depression for the resilium in bivalve shells
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Merriam-Webster unabridged
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Time Traveler for fossette
The first known use of fossette was in 1827
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