A bomb fitted around the neck of a person, as the collar. Typically used for duress control, kidnapping and ransoming.

A village and civil parish in West Berkshire district, Berkshire, England (OS grid ref SU5169).

A collar, worn by an animal, that is impregnated with chemicals that repel or kill external parasites such as fleas.

Synonym of shock collar

Synonym of shock collar

A collar for a dog or other animal that delivers electrical stimulation of varying intensity and duration to the neck via radio control.

Synonym of shock collar

(US, informal) Memorised or mastered perfectly.

(slang, US) A nickname for the city of Columbia, South Carolina.

Someone who has a tendency to feel too cold when sleeping at night.