SUBCOMMITTEE Meaning of SUBCOMMITTEE in English sub ‧ com ‧ mit ‧ tee /ˈsʌbkəˌmɪti/ BrE AmE noun [countable] a small group formed from a committee to deal with a particular subject in more detail Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012