Cul-de-sac
Pronunciation : Cul`-de-sac" (ku`de-sk" or kul`de-sk")
Part of Speech : n.;
Etymology : [ F., lit., bottom of a bag.]
Definition : 1. A passage with only one outlet, as a street closed at one end; a blind alley; hence, a trap.
2. (Mil.)
Defn: a position in which an army finds itself with no way of exit but to the front.
3. (Anat.)
Defn: Any bag-shaped or tubular cavity, vessel, or organ, open only at one end.
pl. Culs-de-sac (ku`- or kulz`-).
Source : Webster's Unabridged Dictionary, 1913