v.
1.transpose and remain equal in value
2.travel back and forth regularly, as between one's place of work and home
3.change the order or arrangement of
4.exchange a penalty for a less severe one
5.exchange or replace with another, usually of the same kind or category
Idiom of the Day
lean over backwards to (do something or help someone)
to do everything possible to do something or help someone
My cousin leaned over backwards to help my father when he was sick.