v. t. - To put each in the place of the other; to give and take mutually; to exchange; to reciprocate; as, to interchange places; they interchanged friendly offices and services.
v. t. - To cause to follow alternately; to intermingle; to vary; as, to interchange cares with pleasures.
v. i. - To make an interchange; to alternate.
n. - The act of mutually changing; the act of mutually giving and receiving; exchange; as, the interchange of civilities between two persons.
n. - The mutual exchange of commodities between two persons or countries; barter; commerce.
n. - Alternate succession; alternation; a mingling.