/ Dictionary / Index M metasequoia: Meaning and Definition of Find definitions for: met•a•se•quoi•a Pronunciation: (met"u-si-kwoi'u), [key] — n. a tall deciduous coniferous tree, Metasequoia glyptostrobodes, first known as a fossil and then discovered alive in China. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: metasequoia (Thesaurus) metascope metasomatism Related Content Daily Word Quiz: benevolent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language