sail·board 
/ˈseɪlˌboɚd/ noun
plural sail·boards /ˈseɪlˌboɚd/ noun [count] : a flat board that has a sail and that you stand on to ride over the surface of water : a board that is used for windsurfing — see picture at boat
— sail·board·er /ˈseɪlˌboɚdɚ/ noun, plural sail·board·ers [count]
▪ We watched the sailboarders [=windsurfers] from the shore.
/ˈseɪlˌboɚdɚ/ noun, plural sail·board·ers [count] ▪ We watched the sailboarders [=windsurfers] from the shore.
— sail·board·ing /ˈseɪlˌboɚdɪŋ/ noun [noncount]
▪ He likes sailboarding. [=windsurfing]
/ˈseɪlˌboɚdɪŋ/ noun [noncount] ▪ He likes sailboarding. [=windsurfing]
