definition of
[in advance]

[1] #1 in advance r. ahead of time; in anticipation; "when you pay ahead (or in advance) you receive a discount"; "We like to plan ahead"; "should have made reservations beforehand". wn

[2] #2 in advance s. situated ahead or going before; "an advance party"; "at that time the most advanced outpost was still east of the Rockies". wn