The Collaborative International Dictionary of English v.0.48:

Escallop \Es*cal"lop\, n.
   See Escalop.
   [1913 Webster]

WordNet (r) 3.0 (2006):

escallop
    n 1: edible muscle of mollusks having fan-shaped shells; served
         broiled or poached or in salads or cream sauces [syn:
         scallop, scollop, escallop]
    2: thin slice of meat (especially veal) usually fried or broiled
       [syn: cutlet, scallop, scollop, escallop]
    3: edible marine bivalve having a fluted fan-shaped shell that
       swim by expelling water from the shell in a series of
       snapping motions [syn: scallop, scollop, escallop]
    v 1: bake in a sauce, milk, etc., often with breadcrumbs on top
         [syn: scallop, escallop]