n. (Med.), Same as malignancy{ 4 }.
Syn. -- malignancy, malignance, malignant tumor, metastatic tumor. [ WordNet 1.5 ]

n. [ L., fr. tumere to swell: cf. F. tumeúr. See Tumid. ] 1. (Med.) A morbid swelling, prominence, or growth, on any part of the body; especially, a growth produced by deposition of new tissue; a neoplasm. [ 1913 Webster ]

2. Affected pomp; bombast; swelling words or expressions; false magnificence or sublimity. [ R. ] [ 1913 Webster ]

Better, however, to be a flippant, than, by a revolting form of tumor and perplexity, to lead men into habits of intellect such as result from the modern vice of English style. De Quincey. [ 1913 Webster ]

Encysted tumor, a tumor which is inclosed in a membrane called a cyst, connected with the surrounding parts by the neighboring cellular substance. --
Fatty tumor. See under Fatty. --
Innocent tumor, or
Benign tumor, one which does not of itself threaten life, and does not usually tend to recur after extirpation; a tumor which has not metastesized. --
Malignant tumor, a tumor which tends continually to spread, to become generalized in different parts of the body, and to recur after extirpation, and which, if left to itself, causes death. [ 1913 Webster ]

a. Distended; swelled. [ R. ] “His tumored breast.” R. Junius. [ 1913 Webster ]

a. [ L. tumorosus inflated. ] 1. Swelling; protuberant. [ R. ] Sir H. Wotton. [ 1913 Webster ]

2. Inflated; bombastic. [ R. ] B. Jonson. [ 1913 Webster ]