1. A street with only one way in or out
   "They lived on a quiet cul de sac";
   - blind alley, dead-end street, impasse
    
2. A passage with access only at one end
   "The delivery truck got stuck in the narrow cul de sac";
   - cul, dead end

Derived forms: cul de sacs, culs de sac

Type of: passage, thoroughfare

Encyclopedia: Cul de sac