/ Dictionary / Index D dwarf star: Meaning and Definition of Find definitions for: dwarf' star' Pronunciation: [key] — Astron. Astron. any of the ordinary main sequence stars, as those of spectral types O, B, A, F, G, K, and M. Also calledCf. white dwarf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dwarf poinciana dwarf sumac Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language