cul-de-sac

[kuhl-duh-sak, -sak, kool-, kyd^uh-sak]

noun

plural

culs-de-sac 

1. a street, lane, etc., closed at one end; blind alley; dead-end street.

2. any situation in which further progress is impossible.

3. the hemming in of a military force on all sides except behind.

4. Anatomy.,  a saclike cavity, tube, or the like, open only at one end, as the cecum.

cul-de-sac

/ ˈkʌldəˌsæk, ˈkʊl- /

noun

1. a road with one end blocked off; dead end

2. an inescapable position

3. any tube-shaped bodily cavity or pouch closed at one end, such as the caecum

Word History and Origins

Origin of cul-de-sac¹

1730–40; < French: literally, bottom of the sack

Word History and Origins

Origin of cul-de-sac¹

C18: from French, literally: bottom of the bag