/ Dictionary / Index T taraxacum: Meaning and Definition of Find definitions for: ta•rax•a•cum Pronunciation: (tu-rak'su-kum), [key] — n. Pharm. the dried roots of any of several composite plants of the genus Taraxacum, as the dandelion, T. officinale or T. laevigatum, used in medicine in powdered or fluidextract form chiefly as a tonic and aperient. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: taraxacum (Thesaurus) Tarawa tar baby Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language