*interchang*

v. i. To make an interchange; to alternate. Sir P. Sidney. [ 1913 Webster ]

n. [ Cf. OF. entrechange. ] [ 1913 Webster ]

1. The act of mutually changing; the act of mutually giving and receiving; exchange; as, the interchange of civilities between two persons. “Interchange of kindnesses.” South. [ 1913 Webster ]

2. The mutual exchange of commodities between two persons or countries; barter; commerce. Howell. [ 1913 Webster ]

3. Alternate succession; alternation; a mingling. [ 1913 Webster ]

The interchanges of light and darkness. Holder. [ 1913 Webster ]

Sweet interchange
Of hill and valley, rivers, woods, and plains. Milton. [ 1913 Webster ]

4. An intersection between highways, having two or more levels and a series of connecting roadways so that traffic on one highway may pass over or under the other highway without crossing through the line of traffic, and vehicles may pass from one highway to the other while traffic on both highways continues uninterrupted. A common interchange is the cloverleaf. [ PJC ]

n. The state or quality of being interchangeable; interchangeableness. [ 1913 Webster ]

a. [ Cf. OF. entrechangeable. ] [ 1913 Webster ]

1. Admitting of exchange or mutual substitution. “Interchangeable warrants.” Bacon. [ 1913 Webster ]

2. Following each other in alternate succession; as, the four interchangeable seasons. Holder.

-- In`ter*change"a*ble*ness, n. -- In`ter*change"a*bly, adv. [ 1913 Webster ]

n. [ Cf. OF. entrechangement. ] Mutual transfer; exchange. [ Obs. ] Shak. [ 1913 Webster ]