WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / F / filum filum noun /faɪləm/ 2 syllables 5 letters Scrabble 10 WWF 13 Definitions noun a threadlike structure (as a chainlike series of cells) filament Look “filum” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →