Breadcrumb Home > Dictionary > Index L lapper: Meaning and Definition of Find definitions for: lap•per Pronunciation: (lap'ur), [key] — n. a person or thing that laps liquid. lap•per Pronunciation: (lap'ur), [key] — v.i. Scot. and North Eng. to clabber; curdle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lappeenranta lappet ✖ Related Content Daily Word Quiz: hegira Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language