any of several tall, showy feather palms of the genus Roystonea, as R. regia, having a trunk that is swollen in the middle.
Words nearby royal palm
Origin of royal palm
An Americanism dating back to 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for royal palm
any of several palm trees of the genus Roystonea, esp R. regia, of tropical America, having a tall trunk with a tuft of feathery pinnate leaves
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012