From Longman Dictionary of Contemporary Englishassemblymanas‧sem‧bly‧man /əˈsemblimən/ noun (plural assemblymen /-mən/) [countable] American English PGOa male member of an assembly
Examples from the Corpus
assemblyman• Some 40 assemblymen are now in their nineties; almost half are octogenarians.• The California provision, Proposition 140, restricted state assemblymen to three two-year terms and senators to two four-year terms. 