/ Dictionary / Index L linum: Meaning and Definition of Find definitions for: li•num Pronunciation: (lī'num), [key] — n. any of numerous plants of the genus Linum, including flax, L. usitatissimum, and various other species grown as ornamentals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: linum (Thesaurus) linty Linus 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