'Destroyer' definitions:

Definition of 'destroyer'

(from WordNet)
noun
A small fast lightly armored but heavily armed warship [syn: destroyer, guided missile destroyer]
noun
A person who destroys or ruins or lays waste to; "a destroyer of the environment"; "jealousy was his undoer"; "uprooters of gravestones" [syn: destroyer, ruiner, undoer, waster, uprooter]

Definition of 'Destroyer'

From: GCIDE
  • Destroyer \De*stroy"er\, n. [Cf. OF. destruior.]
  • 1. One who destroys, ruins, kills, or desolates. [1913 Webster]
  • 2. (Nav.) a small fast warship used primarily as an escort to larger vessels and typically armed with a combination of 5-inch guns, torpedos, depth charges, and missiles; formerly identical to the Torpedo-boat destroyer. [Webster 1913 Suppl.]

Definition of 'destroyer'

From: Easton
  • Destroyer (Ex. 12:23), the agent employed in the killing of the first-born; the destroying angel or messenger of God. (Comp. 2 Kings 19:35; 2 Sam. 24:15, 16; Ps. 78:49; Acts 12:23.)