Couloir and Sidewalk

Couloir noun - A narrow opening between hillsides or mountains that can be used for passage.

Sidewalk and couloir are semantically related. In some cases you can use "Sidewalk" instead a noun "Couloir".

Sidewalk noun - Walk consisting of a paved area for pedestrians; usually beside a street or roadway.

Couloir and sidewalk are semantically related. Sometimes you can use "Couloir" instead a noun "Sidewalk".