[swap] vb swapped ; swap.ping [ME swappen to strike; fr. the practice of striking hands in closing a business deal] vt (14c) 1 a: to give in trade: barter b: exchange 2
2: to take turns in telling "~ stories" ~ vi: to make an exchange -- swap.per n
[2]swap n (1625): an act, instance, or process of exchanging one thing for another