To give up in return for something else
The act of exchanging or substituting
Do you want to swap jobs?
You can't just swap us out in his life!
The boys had been playing switch and swap every time it suited their fancy since they had shared a crib.
Unable to help her curiosity, she stepped onto the porch and leaned against the railing, watching the three men swap in and out to spar.
How did you locate the skeleton in the mine to be able to swap it?