Swap

Part of speech: noun (n.)

1. A blow; a stroke. [Obs. or Prov. Eng.]

2. An exchange; a barter. [Colloq.] Sir W. Scott.

Part of speech: verb (v.)

1. To strike; -- with off. [Obs. or Prov. Eng.] "Swap off his head!" Chaucer.

2. To exchange (usually two things of the same kind); to swop. [Colloq.] Miss Edgeworth.

Part of speech: verb (v.)

1. To fall or descend; to rush hastily or violently. C. Richardson (Dict.). All suddenly she swapt adown to ground. Chaucer.

2. To beat the air, or ply the wings, with a sweeping motion or noise; to flap.

Part of speech: adverb (adv.)

Hastily. [Prov. Eng.]