What is the meaning of Perdu?

Stationed in an exposed or hazardous position; hidden in ambush. Originally as sentinel perdu.

In a dangerous situation; lost, desperate.

Hidden; concealed from sight. Chiefly with lie.

One placed on watch, or in ambush.

A soldier sent on a forlorn hope.

imperative of perdi

past participle of perdre

lost

gone, lost

shrub: a woody plant smaller than a tree, and usually with several stems from the same base.

clump (of trees), cluster

Source: wiktionary.org