/ Thesaurus / L Synonyms of lap joint Find synonyms for: Noun1. lap joint, splice, jointusage: joint made by overlapping two ends and joining them togetherWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language