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Meaning of cul-de-sac

cul-de-sac

Pronunciation: (kul'du-sak', -sak", kool'- Fr. kyd&supschwa-sak'), [key]
— pl. 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. a saclike cavity, tube, or the like, open only at one end, as the cecum.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.