/ Dictionary / Index W writ of assistance: Meaning and Definition of Find definitions for: writ' of assist'ance Pronunciation: [key] — Amer. Hist. Amer. Hist. a writ issued by a superior colonial court authorizing officers of the British crown to summon aid and enter and search any premises. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. writing paper writ of certiorari Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language