the world > health and disease > ill health > animal disease or disorder > disorders of cattle > [noun] > tumour (8)
A hard tumour on the back of cattle, produced by the larva of a gadfly: = warble, n.2 2.
In Old English some kind of ulcer or eruption; in 16–18th centuries = warble, n.2 2.
A small tumour or swelling on the back of cattle, deer, etc. produced by the larva of a gad-fly (see 3).
(See quot. 1688) Obsolete.