rare. [f. CONSTRAIN v. + -ER1.] One who constrains.
1382. Wyclif, Ex. v. 10. The maystris of werkis and the constreyners [L. exactores].
1711. Shaftesb., Charac. (1737), I. 71. The natural free spirits of ingenious men, if imprisond and contrould will be glad at any rate to vent themselves, and be revengd on their constrainers.