WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / E / echo sounder echo sounder noun 3 syllables 12 letters Scrabble 17 WWF 19 Definitions noun a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return asdicsonar Look “echo sounder” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →