Noun

(en noun)

A steep gorge along a mountainside.

* 1978 , Yvon Chouinard, Climbing Ice , page 145,

Those deep, dark slots in a mountain known as couloirs are often the most obvious routes of ascent.

* 1987 , Roger Marshall, AdventureSport: Everest and Me'', '' , page 42,

Looking up the face I could see directly into the Japanese and Hornbein couloirs , an almost direct 9000 feet to the summit.

* 1998 , R. J. Secor, Denali Climbing Guide , page 99,

Ascend a long, easy snow couloir back left to the crest of Cassin Ridge at 17700 feet, where there is a campsite.

* 2002 , American Alpine Club Safety Committee, Alpine Club of Canada Safety Committee, Accidents in North American Mountaineering , Issue 55, page 58,

When they approached the couloir shortly before 0300, the snow was firm enough for them to use crampons.

Noun

(en noun)

A narrow hall or passage with rooms leading off it, for example in railway carriages (see ).

*

*:There is an hour or two, after the passengers have embarked, which is disquieting and fussy.Stewards, carrying cabin trunks, swarm in the corridors . Passengers wander restlessly about or hurry, with futile energy, from place to place.

* {{quote-book, year=1931, author=

, section=chapter 1/1, title= Death Walks in Eastrepps , passage=Eldridge closed the despatch-case with a snap and, rising briskly, walked down the corridor to his solitary table in the dining-car.}}

A restricted tract of land that allows passage between two places.

Airspace restricted for the passage of aircraft.