1. an Australian tree resembling the black mangrove of the West Indies and Florida • Syn: Aegiceras majus • Hypernyms: tree • Member Holonyms: Aegiceras, genus Aegiceras 2. a mangrove of the West Indies and the southern Florida coast; occurs in dense thickets and has numerous short roots that bend up from the ground • Syn: Avicennia marina • Hypernyms: blackwood, blackwood tree • Member Holonyms: Avicennia, genus Avicennia