WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / G / gearbox gearbox noun /ɡirbɑks/ 2 syllables 7 letters Scrabble 17 WWF 19 Definitions noun the shell (metal casing) in which a train of gears is sealed gear boxgear case Look “gearbox” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →