excrescence
noun
[ ɪkˈskrɛs(ə)ns ]
• a distinct outgrowth on a body or plant, resulting from disease or abnormality.
• "the males often have a strange excrescence on the tip of the snout"
Similar:
growth,
lump,
swelling,
protuberance,
protrusion,
knob,
nodule,
outgrowth,
wart,
boil,
pustule,
carbuncle,
tumour,
Origin:
late Middle English: from Latin excrescentia, from excrescere ‘grow out’, from ex- ‘out’ + crescere ‘grow’.