/ Dictionary / Index R rocket ship: Meaning and Definition of Find definitions for: rock'et ship" Pronunciation: [key] a rocket-propelled aircraft or spacecraft. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rocket scientist rocket sled Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language