Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

530. Ambush [Means of concealment]. — N. camouflage; mimicry; hiding

place; secret place, secret drawer; recess, hold, holes and corners; closet, crypt, adytum†, abditory†, oubliette. ambush, ambuscade; stalking horse; lurking hole, lurking place; secret path, back stairs; retreat &c (refuge) 666. screen, cover, shade, blinker; veil, curtain, blind, cloak, cloud. mask, visor, vizor†, disguise, masquerade dress, domino. pitfall &c (source of danger) 667; trap &c (snare) 545. V. blend in, blend into the background. lie in ambush &c (hide oneself) 528; lie in wait for, lurk; set a trap for &c (deceive) 545; ambuscade, ambush. camouflage. Adj. camouflaged, hidden, concealed. Adv. aux aguets†.