D defs.my
Entry 4 senses Webster, 1913

Knave

/(nāv)/ · IPA /neɪv/
01 n. A boy; especially, a boy servant.
  1. 1.
    A boy; especially, a boy servant.[Obs.]
    “O murderous slumber, Lay'st thou thy leaden mace upon my boy That plays thee music ? Gentle knave, good night.” Shak.
  2. 2.
    Any male servant; a menial.[Obs.]
    “He's but Fortune's knave, A minister of her will.” Shak.
  3. 3.
    A tricky, deceitful fellow; a dishonest person; a rogue; a villain.
    “In defiance of demonstration, knaves will continue to proselyte fools.” — Ames.
  4. 4.
    A playing card marked with the figure of a servant or soldier; a jack; as, the knave of hearts.
Phrases & compounds
Knave child — a male child.