Webster's Revised Unabridged Dictionary · 1913

Ambush

Ambush (am"bosh) , noun

[French embûche, from the verb. See Ambush, transitive verb]

1.
A disposition or arrangement of troops for attacking an enemy unexpectedly from a concealed station. Hence: Unseen peril; a device to entrap; a snare.
Heaven, whose high walls fear no assault or siege Or ambush from the deep. — Milton
2.
A concealed station, where troops or enemies lie in wait to attack by surprise.
Bold in close ambush, base in open field. — Dryden
3.
The troops posted in a concealed place, for attacking by surprise; liers in wait. [Obsolete]
The ambush arose quickly out of their place. — Josh. viii. 19
Collocations (1)
To lay an ambush , to post a force in ambush.

Ambush (am"bosh) , transitive verb

[Old English enbussen, enbushen, Old French embushier, embuissier, French embûcher, embusquer, from Late Latin imboscare; in + Late Latin boscus, buscus, a wood; akin to German bush, English bush. See Ambuscade, Bush.]

1.
To station in ambush with a view to surprise an enemy.
By ambushed men behind their temple laid, We have the king of Mexico betrayed. — Dryden
2.
To attack by ambush; to waylay.

Ambush , intransitive verb

To lie in wait, for the purpose of attacking by surprise; to lurk.
Nor saw the snake that ambushed for his prey. — Trumbull