musk mallow musk·mal·low uncommon noun 1. bushy herb of tropical Asia grown for its yellow or pink to scarlet blooms that resemble the hibiscus Synonymsabelmoskmusk mallowAbelmoschus moschatusHibiscus moschatus 2. erect Old World perennial with faintly musk-scented foliage and white or pink flowers; adventive in United States Synonymsmusk mallowmus roseMalva moschata Related words Broader terms mallow Parts MalvaAbelmoschus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.