a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)
a part of an animal that has a special function or is supplied by a given artery or nerve
of an achromatic color of any lightness intermediate between the extremes of white and black
a particular environment or walk of life
a part of a structure having some specific characteristic or function
a neutral achromatic color midway between white and black
showing characteristics of age, especially having grey or white hair
used to signify the Confederate forces in the American Civil War (who wore grey uniforms)
