SEMITROPICAL Meaning of SEMITROPICAL in English sem ‧ i ‧ trop ‧ i ‧ cal /ˌsemiˈtrɒpɪk ə l $ -ˈtrɑː-/ BrE AmE adjective ↑ subtropical Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012