COCKLE

I. noun Etymology: Middle English, from Old English coccel Date: before 12th century any of several weedy plants of the pink family, II. noun Etymology: Middle English cokille, from Middle French coquille shell, modification of Latin conchylia, plural of conchylium, from Greek konchylion, from konchē conch Date: 14th century any of various chiefly marine bivalve mollusks (family Cardiidae) having a shell with convex radially ribbed valves, ~shell , III. noun Etymology: Middle English kokell, ultimately from Middle French coquillé wavy or rounded like a shell, from coquille Date: 15th century pucker , wrinkle , ~ verb