The Collaborative International Dictionary of English v.0.48:
Borassus \Borassus\ n. a genus of palm trees including the palmyra (Borassus flabellifer, formerly Borassus flabelliformis). Syn: genus Borassus. [WordNet 1.5]WordNet (r) 3.0 (2006):
Borassus n 1: palmyra [syn: Borassus, genus Borassus]