/ Dictionary / Index L longies: Meaning and Definition of Find definitions for: long•ies Pronunciation: (lông'ēz, long'-), [key] — n. (used with a pl. v.) long underwear, esp. for winter use. long pants for boys. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. longicorn longing Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language