1. rein in - Verb
2. rein in - Phrase
control and direct with or as if by reins
stop or check by or as if by a pull at the reins
stop or slow up one's horse or oneself by or as if by pulling the reins
Source: WordNetLet chaos reign, then rein in chaos. Andy Grove
We will cut programs, we will try to rein in the size of the bureaucracy. We will bring federal pay scales that have become so exaggerated into line with market rates. Eric Cantor
The sooner we rein in the red tape factory in Washington, D.C., the sooner small businesses can get back to creating jobs and helping more Americans find an honest day's work. Geoff Davis
I think I'm basically the same guy I always was. Maybe I've learned, through experience, to rein in some of the anger and temper they say redheads normally have. Willie Nelson
Rein in the horse at the edge of the cliff. Chinese Proverb
Rein in the horse at the edge of the cliff. Traditional Proverb