'gear up' definitions:

Definition of 'gear up'

(from WordNet)
verb
Make ready or suitable or equip in advance for a particular purpose or for some use, event, etc; "Get the children ready for school!"; "prepare for war"; "I was fixing to leave town after I paid the hotel bill" [syn: fix, prepare, set up, ready, gear up, set]

Definition of 'gear up'

From: GCIDE
  • gear up \gear` up"\ n. To prepare (for an event or activity); as, to gear up for the election campaign. [PJC]