/ Thesaurus / L Synonyms of lappet caterpillar Find synonyms for: Noun1. lappet caterpillar, caterpillarusage: larva of a lappet mothWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language