/ Dictionary / Index W witness: Meaning and Definition of Find definitions for: wit•ness Pronunciation: (wit'nis), [key] — v.t. to see, hear, or know by personal presence and perception: to witness an accident. to be present at (an occurrence) as a formal witness, spectator, bystander, etc.: She witnessed our wedding. to bear witness to; testify to; give or afford evidence of. to attest by one's signature: He witnessed her will. —v.i. to bear witness; testify; give or afford evidence. —n. an individual who, being present, personally sees or perceives a thing; a beholder, spectator, or eyewitness. a person or thing that affords evidence. a person who gives testimony, as in a court of law. a person who signs a document attesting the genuineness of its execution. testimony or evidence: to bear witness to her suffering. (cap.) a member of the Jehovah's Witnesses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: witness (Thesaurus) witloof witness-box Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language