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Webster 1913 Edition

Thickhead

Thick′headˊ

,
Noun.
1.
A thick-headed or stupid person.
[Colloq.]
2.
(Zool.)
Any one of several species of Australian singing birds of the genus
Pachycephala
. The males of some of the species are bright-colored. Some of the species are popularly called
thrushes
.

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