Webster's Revised Unabridged Dictionary · 1913

Ambuscade

Ambuscade ({not transcribed}) , noun

[French embuscade, from Italian imboscata, or Sp. emboscada, from emboscar to ambush, from Late Latin imboscare. See Ambush, transitive verb]

1.
A lying in a wood, concealed, for the purpose of attacking an enemy by surprise. Hence: A lying in wait, and concealed in any situation, for a like purpose; a snare laid for an enemy; an ambush.
2.
A place in which troops lie hid, to attack an enemy unexpectedly. [Rare] — Dryden
3.
(Military) The body of troops lying in ambush.

Ambuscade ({not transcribed}) , transitive verb

1.
To post or conceal in ambush; to ambush.
2.
To lie in wait for, or to attack from a covert or lurking place; to waylay.

Ambuscade , intransitive verb

To lie in ambush.