Definition of "swap" in English

verb

1. (transitive) To exchange or give (something) in an non-normal exchange (for something else).

2. (transitive, obsolete) To hit, to strike.

3. (transitive, obsolete) To beat the air, or ply the wings, with a sweeping motion or noise; to flap.

4. (intransitive, obsolete) To descend or fall; to rush hastily or violently.

noun

1. An exchange of two comparable things.

2. (finance) A financial derivative in which two parties agree to exchange one stream of non-normal cashflow against another stream.

3. (computing, informal, uncountable) Space available in a swap file for use as auxiliary memory.

   • How much swap do you need?

4. (Cambridge University slang) A social meal at a restaurant between two university societies, usually involving drinking and banter; commonly associated with fining and pennying; equivalent to a crewdate at Oxford University.

noun

1. (obsolete, UK, dialect) A blow; a stroke.