/ Dictionary / Index T Tinnevelly senna: Meaning and Definition of Find definitions for: Tin•nev'el•ly sen'na Pronunciation: (ti-nev'u-lē, tin'u-vel"ē). [key] See under(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tinnery tinnient Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language