1. An equal exchange
   "we had no money so we had to live by swap";
   - barter, swop, trade

1. Exchange or give (something) in exchange for
   "They swapped phone numbers at the end of the party";
   - trade, swop, switch
    
2. Move (a piece of a program) into memory, in computer science
   "The operating system swapped the inactive program to disk"

Derived forms: swapped, swapping, swaps

Type of: change, exchange, go, interchange, locomote, move, travel

Encyclopedia: Swap