/ Dictionary / Index R rotor blade: Meaning and Definition of Find definitions for: ro'tor blade" Pronunciation: [key] — Aeron. Aeron. one airfoil of the rotor of a rotary-wing aircraft. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rotor rotor cloud Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language