WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / mesozoic mesozoic noun /mɛzəzoʊɪk/ 4 syllables 8 letters Scrabble 21 WWF 23 Definitions noun from 230 million to 63 million years ago age of reptilesmesozoic era of or relating to or denoting the Mesozoic era Look “mesozoic” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →