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bighead - 3 dictionary results

big⋅head

[big-hed, -hed]
–noun
1. Informal. an excessive estimate of one's importance; conceit.
2. Veterinary Pathology.
a. an inflammatory swelling of the tissues of the head of sheep, caused by the anaerobic bacillus Clostridium novyi.
b. enlargement of the head and jawbones of horses resulting from nutritional hyperthyroidism.

Origin:
1795–1805, Americanism; big 1 + head


bigheaded, adjective
big⋅head⋅ed⋅ness, noun
big head  
n.  
  1. Informal Conceit; egotism.
  2. also big·head (bĭg'hěd') Any of various diseases of animals, especially rams, characterized by swelling of the head, face, or neck.
big'head'ed adj., big'head'ed·ness n.

Main Entry: big·head
Pronunciation: 'big-"hed
Function: noun
: any of several diseases of animals: as a : equine osteoporosis b : an acute photosensitization of sheep and goats that follows the ingestion of various plants —compare FAGOPYRISM
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