rein in
    v 1: stop or slow up one's horse or oneself by or as if by
         pulling the reins; "They reined in in front of the post
         office" [syn: rein, rein in]
    2: control and direct with or as if by reins; "rein a horse"
       [syn: harness, rein in, draw rein, rein]
    3: stop or check by or as if by a pull at the reins; "He reined
       in his horses in front of the post office" [syn: rein,
       rein in]