I. ˈswäp verb
( swapped ; swap·ping )
Etymology: Middle English swappen to strike; from the practice of striking hands in closing a business deal
Date: 14th century
transitive verb
1.
a. : to give in trade : barter
b. : exchange 2
2. : to take turns in telling
swap stories
intransitive verb
: to make an exchange
• swap·per noun
II. noun
Date: 1625
: an act, instance, or process of exchanging one thing for another