/ Dictionary / Index S steamship: Meaning and Definition of Find definitions for: steam•ship Pronunciation: (stēm'ship"), [key] — n. a large commercial vessel, esp. one driven by steam. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: steamship (Thesaurus) steam room steam shovel Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language