First Known Use: 1855
Dictionary
lamellibranch
noun la·mel·li·branch \lə-ˈme-lə-ˌbraŋk\
plural la·mel·li·branchs
Definition of LAMELLIBRANCH
: any of a class (Lamellibranchia) of bivalve mollusks (as clams, oysters, and mussels) that have the body bilaterally symmetrical, compressed, and enclosed within the mantle and that build up a shell whose right and left parts are connected by a hinge over the animal's back
— lamellibranch adjective
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Origin of LAMELLIBRANCH
New Latin Lamellibranchia, from lamella + Latin branchia gill
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