S: (v) rein (rein%2:38:00::), rein in (rein_in%2:38:00::) (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"
S: (v) rein (rein%2:38:01::), rein in (rein_in%2:38:01::) (stop or check by or as if by a pull at the reins) "He reined in his horses in front of the post office"