a. Imitating, esp. in derision, or so as to cause derision; mimicking; derisive. [ 1913 Webster ]
Mocking thrush (Zool.),
Mocking wren (Zool.),
adv. By way of derision; in a contemptuous or mocking manner. [ 1913 Webster ]
n. A butt of sport; an object of derision. [ R. ] [ 1913 Webster ]