Swap

·noun A blow; a stroke.

II. Swap ·noun An exchange; a barter.

III. Swap ·noun Hastily.

IV. Swap ·vi To Strike;

— with off.

V. Swap ·vt To fall or descend; to rush hastily or violently.

VI. Swap ·vi To exchange (usually two things of the same kind); to Swop.

VII. Swap ·vt To beat the air, or ply the wings, with a sweeping motion or noise; to Flap.

to swap
To exchange; to barter.--Johnson. This word has often been noticed by English travellers in this co...

Dictionary of American Words And Phrases by John Russell Bartlett.
swap
to exchange. North. Var. Dial. ...

A glossary of provincial and local words used in England by Francis Grose