CYSTOMA Meaning of CYSTOMA in English — cystomatous /si stom"euh teuhs/ , adj./si stoh"meuh/ , n. , pl. cystomas, cystomata /-meuh teuh/ . Pathol.a cystic tumor. [ 1870-75; CYST- + -OMA ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012