royal palm

noun

1. any of several tall, showy feather palms of the genus Roystonea, as R. regia, having a trunk that is swollen in the middle.

royal palm

noun

1. 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

Word History and Origins

Origin of royal palm¹

An Americanism dating back to 1860–65