CWM

PRONUNCIATION: (koom)

MEANING: noun: A steep bowl-shaped mountain basin, carved by glaciers. Also known as a cirque.

ETYMOLOGY: From Welsh cwm (valley). Earliest documented use: 1853.
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CWT - a unit of weight - a short (US) hundredweight ("centiweight," or cwt) is 100 pounds (45.36 kg); a long (Imperial) cwt is 8 stone (112 lbs)

OWT - a number for counting backwards, just before ENO.

CWO - an officer who didn't get a commission