The part of a shirt or coat that goes around your neck.

(idiomatic, Britain) in a tight spot.

plural of bishop's collar

plural of collared dove

(roofing) an accessory flashing used to cover and/or seal soil pipe vents and other penetrations through a roof (sometimes referred to as roof jack or flashing boot).

counterflashing used to wrap a penetration and prevent water infiltration through the top of the penetration base flashing.

(Ireland, slang) a pint of Guinness (or similar) having too much head on top.

Fitted with a radio collar

A radio transmitter, fastened to a wild animal, (usually around the neck) so that the animal's movements may be tracked.

plural of dog collar