mocker Meaning, Definition & Usage

  1. noun someone who jeers or mocks or treats something with contempt or calls out in derision
    jeerer; flouter; scoffer.
  2. noun long-tailed grey-and-white songbird of the southern United States able to mimic songs of other birds
    mockingbird; Mimus polyglotktos.

WordNet

Mock"er noun
Definitions
  1. One who, or that which, mocks; a scorner; a scoffer; a derider.
  2. A deceiver; an impostor.
  3. (Zoöl.) A mocking bird.

Webster 1913