n.
Pronunciation: ' tü-m ə r, ' tyü-
Function: noun
Etymology: Middle English tumour, from Latin tumor, from tum ē re
Date: 15th century
1 : a swollen or distended part
2 : an abnormal benign or malignant new growth of tissue that possesses no physiological function and arises from uncontrolled usually rapid cellular proliferation ― called also neoplasm
– tu · mor · al \ -m ə -r ə l \ adjective
– tu · mor · like \ -m ə r- ˌ l ī k \ adjective