tumorous

noun

1. 1. a swelling on some part of the body
   2. a mass of new tissue growth independent of its surrounding structures, having no physiological function; neoplasm: such tumors are classified as benign or malignant
2. Obsolete high-flown language; bombast

Origin: L, a swelling < tumere, to swell < IE base *tēu-, to swell > thumb