WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / C / caulking caulking noun 8 letters Scrabble 15 WWF 20 Definitions noun a waterproof filler and sealant that is used in building and repair to make watertight caulk Look “caulking” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →