WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / mainsail mainsail noun /meɪnseɪl/ 2 syllables 8 letters Scrabble 10 WWF 13 Definitions noun the lowermost sail on the mainmast Look “mainsail” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →