WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / straight sinus straight sinus noun 14 letters Scrabble 17 WWF 19 Definitions noun an unpaired sinus of the dura mater sinus rectustentorial sinus Look “straight sinus” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →