ˈt(y)ümə(r) noun
( -s )
Usage: see -or
Etymology: Latin, from tumēre to swell — more at thumb
1. obsolete : tumidity
2.
a. : a swollen or distended part : swelling , protuberance
houses that bulged with the tumors and warts of … ornamental architecture — W.A.White
b. : a mass of abnormal tissue growing in or on the plant or animal body ; specifically : such a mass of noninflammatory and independent tissue arising without obvious cause from cells of preexistent tissue, possessing no physiologic function, and characteristically unrestrained in growth and structure — compare cancer , neoplasm , sarcoma
3. archaic
a. : swelling conceit : arrogance
the tumor of insolence — Samuel Johnson
b. : turgidity of style : bombast
style … so far from tumor that it rather wanted a little elevation — Henry Wotton