Yes, escallop is a Scrabble word!

Verb

1. Bake in a sauce, milk, etc., often with breadcrumbs on top

Noun

1. Edible muscle of mollusks having fan-shaped shells; served broiled or poached or in salads or cream sauces

2. Thin slice of meat (especially veal) usually fried or broiled

3. Edible marine bivalve having a fluted fan-shaped shell that swim by expelling water from the shell in a series of snapping motions