mid-15c., "corrector, improver; mediator, negotiator," agent noun from reform (v.). From 1540s as "one who leads or assists the religious movements of the 16c. aimed at reformation of Christianity;" also "one who promotes or favors reform in certain practices of things."
Spanish-Hebrew theologian and philosopher (1135-1204) noted as a reformer of Judaic tradition. Related: Maimonidean.
by 1849, one- or two-horse closed carriage with two or four wheels, for two or four persons, named for first Lord Brougham (1778-1868), Scottish jurist and reformer, who had one built for himself c. 1839. The family name is from a place in Westmoreland. In 19c. often synonymous with coupe.