Defn: 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.

THICK-HEADED
Thick"-head`ed, a.

Defn: Having a thick skull; stupid.

THICKISH
Thick"ish, a.

Defn: Somewhat thick.

THICK-KNEE
Thick"-knee`, n. (Zoöl.)

Defn: A stone curlew. See under Stone.

THICKLY
Thick"ly, adv.

Defn: In a thick manner; deeply; closely.

THICKNESS
Thick"ness, n. Etym: [AS. .]