(astronomy) All the electromagnetic radiation entering the Earth from non-point sources in deep space.

(intransitive) To return to a place or state after having been there at a previous time. / (intransitive, of two or more persons) To have known each other for a certain length of time.

(idiomatic, intransitive) To change the time in a time zone to an earlier time, e.g. for the end of daylight saving time.

(transitive) To stun; to surprise. / (transitive) To drink an alcoholic beverage swiftly or often. / (transitive, UK, Australia) To reject; to refuse.

(Britain) A man who has been knighted by the monarch but not as a member of one of the organized Orders of Chivalry; the lowest rank of knight in the British honours system.

plural of Knight Bachelor

(law) An undergraduate degree in the study of law.

Alternative spelling of back seat

Any music played in a public space whose main function is to create an atmosphere suitable to a specific occasion, rather than to be listened to.

An act of betrayal or treachery