/ Dictionary / Index L lb. t.: Meaning and Definition of Find definitions for: lb. t. Pronunciation: [key] pound troy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. LBO LC Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language