Counterchange

[,kauntә'tʃeindʒ]

(verb.) cause to change places; 'interchange this screw for one of a smaller size'.

Edited by Ben--From WordNet

(v. t.) To give and receive; to cause to change places; to exchange.

(v. t.) To checker; to diversify, as in heraldic counterchanging. See Counterchaged, a., 2.

(n.) Exchange; reciprocation.

Inputed by Evelyn