WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / age of mammals age of mammals noun 14 letters Scrabble 22 WWF 27 Definitions noun approximately the last 63 million years cenozoiccenozoic era Look “age of mammals” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →