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swap (EN)
verb, noun

verb “swap”

infinitive swap; he swaps; past tense swapped; past part. swapped; ger. swapping
  1. to exchange something with someone else
    At recess, the children swapped toys to play with something new.

noun “swap”

singular swap, plural swaps or uncountable
  1. an act of exchanging one thing for another
    They decided on a swap: her bicycle for his guitar.
  2. a financial agreement where two parties exchange payment streams over time
    The company entered into an interest rate swap to manage its debt costs.
  3. (computing) disk space used as virtual memory when RAM is insufficient
    The system relies on swap to keep programs running when memory is low.