cap

cap n

OE cæppe < It. cappa, cloak, cape, or cope.

  1. Bonnet; crown; crest; cowl; head-covering; hood of a cloak; [fig.] head feathers.
  2. Pileum; top of a bird's head.
  3. Plug; ball; slug; bullet; detonating device; [fig.] thunder head; storm cloud; mass of unstable air.