/ Dictionary / Index L lo: Meaning and Definition of Find definitions for: lo Pronunciation: (lō), [key] — interj. look! see! (frequently used in Biblical expressions; now usually used as an expression of surprise in the phrase). lo Pronunciation: (lō), [key] — adj. an informal, simplified spelling of, used esp. in labeling or advertising commercial products: lo calorie. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. LNG loach Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language