/ Dictionary / Index L L.P.S.: Meaning and Definition of Find definitions for: L.P.S. Pronunciation: [key] Lord Privy Seal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lps (Thesaurus) LPN LR Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language