costard a head, THE MERRY WIVES OF WINDSOR, iii. 1. 13; LOVE'S LABOUR'S LOST, iii. 1.
65, 100, 106 (with a quibble on the proper
name Costard); RICHARD III., i. 4. 151 ; KING LEAR, iv. 6. 243. (According to Gifford,
costard means properly a large kind of apple;
see his note on Jonson's Works, vol. iv. p. 121.)