WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / E / ectoblast ectoblast noun /ɛktəblæst/ 3 syllables 9 letters Scrabble 13 WWF 16 Definitions noun the outer germ layer that develops into skin and nervous tissue ectodermexoderm Look “ectoblast” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →