/ Dictionary / Index A anthodium: Meaning and Definition of Find definitions for: an•tho•di•um Pronunciation: (an-thō'dē-um), [key] — pl. -di•a a flower head or capitulum, esp. the head of a composite plant. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. anthocyanin anthol. Related Content Daily Word Quiz: torrid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language