Draw rein and Hold in

Draw rein verb - Control and direct with or as if by reins.

Hold in and draw rein are semantically related. In some cases you can use "Hold in" instead a verb phrase "Draw rein".

Hold in verb - Lessen the intensity of; temper; hold in restraint; hold or keep within limits.

Draw rein and hold in are semantically related. Sometimes you can replace phrase "Draw rein" with "Hold in", this terms are similar.