Definition of swap

• v. i. - To strike; -- with off.
• v. i. - To exchange (usually two things of the same kind); to swop.
• v. t. - To fall or descend; to rush hastily or violently.
• v. t. - To beat the air, or ply the wings, with a sweeping motion or noise; to flap.
• n. - A blow; a stroke.
• n. - An exchange; a barter.
• n. - Hastily.