(of a vacuum tube or fluorescent lamp) not heated by a filament

As cold as ice; very cold. / Without emotion; distant.

Cooked, sliced meat served cold, as in a sandwich or a tray of finger food.

A stiff white collar, having no opening at the front, fastened at the back, worn by members of the Christian clergy.

A collar for a dog. / (informal) A clerical collar. / A close-fitting woman's necklace.

The tap (of a pair) that produces cold water (the other being the hot tap)

(idiomatic) extremely and unpleasantly cold

(idiomatic) extreme and unpleasant cold

(meteorology) The leading edge of an advancing mass of cold air.

Non-violent crime, generally for personal gain and often involving money.