What does the word ambush mean?

Usage examples for ambush

  1. Is there an ambush? – The Rhesus of Euripedes by Euripedes
  2. Your own room is the first place to expect an ambush. – An Encounter in Atlanta by Ed Howdershelt
  3. No famous victory was ever before turned into a more total rout by a more simple ambush, and by it I won the clear field necessary to the continuance of my work. – Half a Century by Jane Grey Cannon Swisshelm