n.
Function: noun
Etymology: Middle English cokille, from Middle French coquille shell, modification of Latin conchylia, plural of conchylium, from Greek konchylion, from konch ē conch
Date: 14th century
1 : any of various chiefly marine bivalve mollusks (family Cardiidae) having a shell with convex radially ribbed valves especially : a common edible European bivalve ( Cerastoderma edule syn. Cardium edule )
2 : COCKLESHELL