Definition: stop or check by or as if by a pull at the reins
Usage: He reined in his horses in front of the post office
Definition: stop or slow up one's horse or oneself by or as if by pulling the reins
Usage: They reined in in front of the post office
Main entry: rein, rein in, harness, draw rein
Definition: control and direct with or as if by reins
Usage: rein a horse