definition of
alternate

[1] #1 alternate v. [jump] go back and forth; swing back and forth between two states or conditions. wn

[2] #2 alternate s. every second one of a series; "the cleaning lady comes on alternate Wednesdays"; "jam every other day"- the White Queen. wn

[3] #3 alternate s. [alternating] occurring by turns; first one and then the other; "alternating feelings of love and hate". wn

[4] #4 alternate n. [surrogate, replacement] someone who takes the place of another person. wn

[5] #5 alternate v. exchange people temporarily to fulfill certain jobs and functions. wn