Breadcrumb Home > Dictionary > Index T Taser: Meaning and Definition of Find definitions for: Ta•ser Pronunciation: (tā'zur), [key] — Trademark. Trademark. a small gunlike device that fires electric darts to incapacitate a person temporarily. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tasajillo Tashi Lama ✖ Related Content Daily Word Quiz: ultimathule Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language