from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A sentinel's challenge.
- idiom on the qui vive On the alert; vigilant: "a loathsome Dublin politico who is on the qui vive for . . . terrorists” ( Julian Moynahan).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a state of heightened vigilance, especially prior to battle
from the GNU version of the Collaborative International Dictionary of English
- The challenge of a French sentinel, or patrol; -- used like the English challenge: “Who comes there?”
from The Century Dictionary and Cyclopedia
- n. Who goes there? — the challenge of French sentries addressed to those who approach their posts.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. condition of heightened watchfulness or preparation for action
French, (long) live who? (a sentry's challenge to determine a person's political sympathies) : qui, who + vive, third person sing. present subjunctive of vivre, to live.(American Heritage® Dictionary of the English Language, Fourth Edition)
French who lives? - a sentry's challenge (Wiktionary)