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1. One of a pair of long straps (usually connected to the bit or the headpiece) used to control a horse
    
2. Any means of control
   "he took up the reins of government"

1. Control and direct with or as if by reins
   "rein a horse"; "rein in a horse";
   - harness, rein in, draw rein
    
2. (driving) 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";
   - rein in
    
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";
   - rein in
    
4. Keep in check
   - rule, harness

Sounds like: rain

Derived forms: reins, reining, reined

Type of: command, control, halt, hold back, keep, keep back, restrain, stop, strap

Part of: bridle

Encyclopedia: Rein, Paul