WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / muscle fiber muscle fiber noun 12 letters Scrabble 20 WWF 25 Definitions noun an elongated contractile cell that forms the muscles of the body muscle cellmuscle fibre Look “muscle fiber” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →