noun

1. a deployment of persons in hiding to make a surprise attack
2. 1. the persons in hiding
   2. their place of hiding
3. the act of so lying in wait to attack
4. a surprise attack made by persons waiting in ambush

Etymology: OFr embusche < embuschier: see ambushthe

transitive verb, intransitive verb

1. to hide in ambush
2. to attack from ambush

Etymology: ME embusshen < OFr embuschier, to lay an ambush < ML *imboscare < in-, in- + boscus, woods < Frank busk, akin to bush