Rein /(r?n)/

Rein

n.
  1. The strap of a bridle, fastened to the curb or snaffle on each side, by which the rider or driver governs the horse.
    This knight laid hold upon his reyne.
  2. Hence, an instrument or means of curbing, restraining, or governing; government; restraint.

Phrases & Compounds
To give rein
to give license to; to leave withouut restrain.
To take the reins
to take the guidance or government; to assume control.

Rein

v. t.

imp. & p. p. Reined; p. pr. & vb. n. Reining

  1. To govern or direct with the reins; as, to rein a horse one way or another.
    He mounts and reins his horse.
  2. To restrain; to control; to check.
    Being once chafed, he can not Be reined again to temperance.

Phrases & Compounds
To rein in
to check the speed of, or cause to stop, by drawing the reins.

Rein

v. i.
  1. To be guided by reins. [R.]