bighead
[
big
-
hed
, -hed]
/ˈbɪgˈhɛd, -ˌhɛd/
noun
1.
Informal.
an excessive estimate of one's importance; conceit.
2.
Veterinary Pathology
.
an inflammatory swelling of the tissues of the
head
of sheep, caused by the anaerobic bacillus
Clostridium novyi.
enlargement of the
head
and jawbones of horses resulting from nutritional hyperthyroidism.
Origin
1795-1805,
Americanism;
big
1
+
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
)
an abnormal bulging or increase in the size of an animal's skull, as from osteomalacia
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+)