From Longman Dictionary of Contemporary Englishchairwomanchair‧wom‧an /ˈtʃeəˌwʊmən/ noun (plural chairwomen /-ˌwɪmɪn/) [countable] IN CHARGE OFa woman who is a chairperson
Examples from the Corpus
chairwoman• A woman who chairs a meeting is either a chairwoman or a chair, never a chairman.• She later served a term as chairwoman of the council.• I mean, I don't object to sensible changes - saying chairwoman when it's appropriate, for instance.• Stewart, chairwoman of Omnimedia, will relinquish the job of editor in chief at her magazine to editor Stephen Drucker.From Longman Business Dictionarychairwomanchair‧wom‧an /ˈtʃeəˌwʊmənˈtʃer-/ noun (plural chairwomen /-ˌwɪmɪn/) [countable] COMMERCEa woman who is in charge of a meeting or who directs the work of a committee or organizationSYNCHAIRthe acting chairwoman of the Broadcasting Standards Council 