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definitions

wife swapping

noun
  1. sexual activity in which two or more married couples exchange partners.

Origin of wife swapping

First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for wife swapping

wife swapping

noun
    1. the temporary exchange of wives between married couples for sexual relations
    2. (as modifier)a wife-swapping party
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012