/ Dictionary / Index T Tylenol: Meaning and Definition of Find definitions for: Ty•le•nol Pronunciation: (t?'lu-nl", -nol"), [key] ? Pharm., Trademark. Pharm.,Trademark. a brand of acetaminophen. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: tylenol (Thesaurus) tyke tyler Related Content Daily Word Quiz: abdicate Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language