WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / signal box signal box noun 2 syllables 10 letters Scrabble 19 WWF 23 Definitions noun a building from which signals are sent to control the movements of railway trains signal tower Look “signal box” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →