bighead

[big-hed, -hed] /ˈbɪgˈhɛd, -ˌhɛd/
noun
1.
Informal. an excessive estimate of one's importance; conceit.
2.
Veterinary Pathology.
  1. an inflammatory swelling of the tissues of the head of sheep, caused by the anaerobic bacillus Clostridium novyi.
  2. enlargement of the head and jawbones of horses resulting from nutritional hyperthyroidism.
Origin
1795-1805, Americanism; big1 + head
Related forms
bigheaded, adjective
bigheadedness, noun
British Dictionary definitions for bighead

bighead

/ˈbɪɡˌhɛd/
noun
1.
(informal) a conceited person
2.
(US & Canadian, informal) conceit; egotism
3.
(vet science)
  1. an abnormal bulging or increase in the size of an animal's skull, as from osteomalacia
  2. any of various diseases of sheep characterized by swelling of the head, esp any caused by infection with Clostridium bacteria
Derived Forms
bigheaded, adjective
bigheadedly, adverb
bigheadedness, noun
Slang definitions & phrases for bighead

bighead

noun

A self-important, conceited person (1840s+)