/ Dictionary / Index L l.s.c.: Meaning and Definition of Find definitions for: l.s.c. Pronunciation: [key] in the place mentioned above. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. LSAT LSD 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