(rail transport, British spelling) A rail safety system installed in the driving cab of a train, which gives information to the train driver on track status and condition.

(computing) A tag or value included in a request (such as a URL) purely to differentiate it from previous requests and thus avoid receiving a cached response.

plural of cache buster

(colour) A bluish shade of grey, similar to cadet blue.

(colour) Alternative form of cadet grey.

(government, often capitalised) A government committee formed in wartime to coordinate the war effort.

(slang) A chicken's egg.

(rugby, slang) Twickenham Stadium, England.

Synonym of Brussels sprout.

that has been made using cable knitting