/ Dictionary / Index U umbrella palm: Meaning and Definition of Find definitions for: umbrel'la palm" Pronunciation: [key] an Australian feather palm, Hedyscepe canterburyana, characterized by the umbrellalike manner of growth of its leaves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. umbrella bird umbrella pine Related Content Daily Word Quiz: slough Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language