Emily Dickinson Lexicon

ambush, n. [OFr < It. < late L. in + bosc-us, in the bushes, place in a wood; see ambuscade, n. and bush, n.] (webplay: surprise).

1. Hiding place; childhood game of “hide-and-go-seek”; concealment followed by revelation; appearance of a person who has been hiding; [fig.] sudden death.
2. Retirement; seclusion; privacy; secrecy; modesty; humility.