- 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
WordReference Random House Unabridged Dictionary of American English © 2026
roy′al palm′,
- Plant Biologyany of several tall, showy feather palms of the genus Roystonea, as R. regia, having a trunk that is swollen in the middle. See illus. under palm 2.
- 1860–65, American.
Collins Concise English Dictionary © HarperCollins Publishers::
royal palm n
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