Definition of back ups:
(v) :
(idiomatic, computing, transitive) To copy (data) so that it can be restored if the main copy is lost.
(v) :
(idiomatic, transitive) To provide support or the promise of support to.
(v) :
(idiomatic, intransitive) To move backwards, especially for a vehicle to do so.
(v) :
(idiomatic, transitive) To move a vehicle backwards.
(v) :
(idiomatic, intransitive) To undo one's actions.
(v) :
(idiomatic, intransitive) To reconsider one's thoughts.