/ Dictionary / Index L ligroin: Meaning and Definition of Find definitions for: lig•ro•in Pronunciation: (lig'rō-in), [key] — n. a flammable mixture of hydrocarbons that boils at from 20°C to 135°C, obtained from petroleum by distillation and used as a solvent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lignum vitae lig snail Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language