shell / dish; scallop / typo, misprint / jockstrap, athletic protector; groin guard, box, cup (protection for the male genitals) / vacuum mattress (for spinal immobilization) / egg crate mattress (for prevention of bedsores)

(figuratively, derogatory) empty shell

scallop (mollusc)

plural of coquille

(chiefly in the plural) pasta shell(s) (conchiglie)

plural of coquillette

plural of coquille Saint-Jacques (“scallop”)

plural of coquille vide