Of or pertaining to work that is done from home, especially via the Internet.

Of or pertaining to working-class professions that do not involve significant manual labor, such as skilled technical professions, combining elements of blue-collar and white-collar.

Of or pertaining to employment in the environment or environmentalism industries. / Of or pertaining to rural, agricultural employment; often contrasted with urban blue-collar employment.

(rare) Of or pertaining to employment in the black market; that is, to engagement in illicit trade or distribution of untaxed goods and services.

Of or pertaining to female entrepreneurs in the Internet sex industry.

Alternative form of gray-collar

A bird of the species Streptopelia decaocto.

A passerine bird of the antbird family (Thamnophilus bernardi, syn. Sakesphorus bernardi)

Alternative spelling of collarbone

A stiff white collar, having no opening at the front, fastened at the back, worn by members of the Christian clergy.