ETYM Old Fren. escalope a shell, probably of German or Dutch origin, and akin to Eng. scale of a fish; cf. Dutch schelp shell. Related to Scale of a fish, and cf. Escalop.
1. Edible marine bivalve having a fluted fan-shaped shell that swim by expelling water from the shell in a series of snapping motions; SYN. scollop.
2. Edible muscle of mollusks having fan-shaped shells; served broiled or poached or in salads or cream sauces; SYN. scollop.
Any marine bivalve mollusk of the family Pectinidae, with a fan-shaped shell. There are two “ears” extending from the socketlike hinge. Scallops use water-jet propulsion to move through the water to escape predators such as starfish. The giant Pacific scallop found from Alaska to California can reach 20 cm/8 in width.