D defs.my
Entry 2 senses Webster, 1913

Couloir

/(k??`lw?r")/ · Cou·loir · IPA /kulˈwɑɹ/
01 n. A deep gorge; a gully.
  1. 1.
    A deep gorge; a gully.
  2. 2.
    A dredging machine for excavating canals, etc.(Hydraul. Engin.)