I. verb
also swop ˈswäp also -wȯp
( swapped also swopped ; swapped also swopped ; swapping also swopping ; swaps also swops )
Etymology: Middle English swapen, swappen to strike, hit, hurl, throw, of imitative origin
transitive verb
1. chiefly dialect : to cause to strike or fall against something by throwing, moving, or flinging : bang
2.
[so called from the practice of striking hands in closing a business deal]
a. : to give in exchange : exchange , barter
offered to swap 250,000 tons of rice a year for 50,000 tons of rubber — Tom Fitzsimmons
swap notes on progress in their particular fields — F.L.Allen
b. obsolete : to make or agree to (a bargain)
intransitive verb
1. archaic : to move swiftly and with violent force : swoop , pounce
2. : to make an exchange : engage in trading
II. adverb
chiefly dialect : at a blow : quickly and forcefully
III. noun
( -s )
Etymology: Middle English, from swapen to swap
1. chiefly dialect : blow , stroke
2. : the act or process of exchanging one thing for another : exchange , barter , trade
stock swap