/ Dictionary / Index L larch: Meaning and Definition of Find definitions for: larch Pronunciation: (lärch), [key] — n. any coniferous tree of the genus Larix, yielding a tough durable wood. the wood of such a tree. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: larch (Thesaurus) larceny larch sawfly Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language