1. He who or that which restrains.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• restrainig,
• restraing,
• restraind,
• restrined,
• restraned,
• restraine,
• restraines,
• eestrainer,
• destrainer,
• festrainer,
• testrainer,
• 5estrainer,
• 4estrainer,
• restraner,
• restranier,
• restreiner,
• restrayner,
• restrainely,
• cestrarine,
• Resturaner

• restorer,
• restrepo,
• restraint,
• restrict,
• rest area,
• restore,
• restoril,
• restrained,
• restrain,
• restroom,
• restricting.

The adjective form of the word "restrainer" is "restraining".

The plural of the "restrainer" can be the "restrainers".

The singular of the "restrainer" can be the "restrainer".