WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / E / ephemeridae ephemeridae noun 11 letters Scrabble 19 WWF 20 Definitions noun mayflies family ephemeridae Look “ephemeridae” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →