From Longman Dictionary of Contemporary Englishcouncilwomancoun‧cil‧wom‧an /ˈkaʊnsəlˌwʊmən/ noun (plural councilwomen /-ˌwɪmɪn/) [countable] American English PGOa woman who is a member of the government of a city in the US
Examples from the Corpus
councilwoman• Mrs Molina, a Los Angeles city councilwoman, finished first in a January primary with 35% of the vote.• A popular grass-roots councilwoman gives a few words of encouragement to much applause. 