costard Meaning, Definition & Usage

Cos"tard noun
Etymology
Prob. fr. OF. coste rib, side, F. côte, and meaning orig., a ribbed apple, from the ribs or angles on its sides. See Coast.
Definitions
  1. An apple, large and round like the head.
    Some [apples] consist more of air than water . . . ; others more of water than wind, as your costards and pomewaters. Muffett.
  2. The head; -- used contemptuously.
    Try whether your costard or my bat be the harder. Shak.

Webster 1913