1. (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.

2. (v. t.) To cause to follow alternately; to intermingle; to vary; as, to interchange cares with pleasures.

3. (v. i.) To make an interchange; to alternate.

4. (n.) The act of mutually changing; the act of mutually giving and receiving; exchange; as, the interchange of civilities between two persons.

5. (n.) The mutual exchange of commodities between two persons or countries; barter; commerce.

6. (n.) Alternate succession; alternation; a mingling.

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