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noun

rein

rayn
noun
1
A strap attached to a bridle, used to control and guide a horse.
"She pulled gently on the reins to slow the horse."
"He gathered the reins and swung into the saddle."
verb
1
To restrain or keep something under control (often "rein in").
"The manager had to rein in spending before the budget ran out."
"He learned to rein in his temper during meetings."

How to Use Rein

Learner’s notes

In plain EnglishThe strap used to steer a horse, or, figuratively, a means of keeping something under control.

Common mistake

Don't confuse with "reign" (a monarch's rule) or "rain" — all three sound identical but mean completely different things.

Easily confused with
Common pairings
rein in give free rein hold the reins

Word Forms

reined past tense, reins plural, reins plural, Reins plural, reins singular

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Fill the Gap

Can you complete this real example?

She pulled gently on the _____ to slow the horse.

Etymology

From Old French reyne/resne, going back to Latin retinere, "to hold back" — the same root as retain.

Rhymes for rein

See all rhymes for rein →
Definitions: FreeDict original editorial