[1] : The Collaborative International Dictionary of English v.0.48

tumor \tu"mor\ t=u"m~er, n. l., fr. tumere to swell: cf.
   f. tume'ur. 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
see also:
tumid encysted tumor fatty tumor fatty innocent tumor benign tumor 
malignant tumor 

[2] : The Collaborative International Dictionary of English v.0.48

fatty \fat"ty\, a.
   containing fat, or having the qualities of fat; greasy;
   gross; as, a fatty substance.
   1913 webster

   fatty acid chem., any one of the paraffin series of
      monocarbonic acids, as formic acid, acetic, etc.; -- so
      called because the higher members, as stearic and palmitic
      acids, occur in the natural fats, and are themselves
      fatlike substances.

   fatty clays. see under clay.

   fatty degeneration med., a diseased condition, in which
      the oil globules, naturally present in certain organs, are
      so multiplied as gradually to destroy and replace the
      efficient parts of these organs.

   fatty heart, fatty liver, etc. med., a heart, liver,
      etc., which have been the subjects of fatty degeneration
      or infiltration.

   fatty infiltration med., a condition in which there is an
      excessive accumulation of fat in an organ, without
      destruction of any essential parts of the latter.

   fatty tumor med., a tumor consisting of fatty or adipose
      tissue; lipoma.
      1913 webster
see also:
fatty acid fatty clays clay fatty degeneration fatty heart fatty liver 
fatty infiltration fatty tumor 

Fatty >> F Words
Fatty, definition of term: Fatty
fatty_pag1.html

Tumor >> T Words
Tumor, definition of term: Tumor
tumor_pag1.html

Fatty Tissue >> F Words
Fatty Tissue, definition of term: Fatty Tissue
fatty+tissue_pag1.html

Fatty Liver >> F Words
Fatty Liver, definition of term: Fatty Liver
fatty+liver_pag1.html

Fatty Acid >> F Words
Fatty Acid, definition of term: Fatty Acid
fatty+acid_pag1.html

Brain Tumor >> B Words
Brain Tumor, definition of term: Brain Tumor
brain+tumor_pag1.html

Malignant Tumor >> M Words
Malignant Tumor, definition of term: Malignant Tumor
malignant+tumor_pag1.html

Benign Tumor >> B Words
Benign Tumor, definition of term: Benign Tumor
benign+tumor_pag1.html