/ Dictionary / Index D dreadnought: Meaning and Definition of Find definitions for: dread•nought Pronunciation: (dred'nôt"), [key] — n. a type of battleship armed with heavy-caliber guns in turrets: so called from the British battleship Dreadnought, launched in 1906, the first of its type. an outer garment of heavy woolen cloth. a thick cloth with a long pile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dreadnought (Thesaurus) dreadlocks dream Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language