WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / mls mls noun 3 letters Scrabble 5 WWF 7 Definitions noun a master's degree in library science master of library science Look “mls” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →