A diminutive of the male given name Clayton.

A census-designated place in Sacramento County, California, United States.

A town, the county seat of Clay County, West Virginia, United States.

A number of townships in the United States, listed under Clay Township.

Ellipsis of Clay County.

A mineral substance made up of small crystals of silica and alumina, that is ductile when moist; the material of pre-fired ceramics.

An earth material with ductile qualities.

(tennis) A tennis court surface made of crushed stone, brick, shale, or other unbound mineral aggregate.

(biblical) The material of the human body.

(geology) A particle less than 3.9 microns in diameter, following the Wentworth scale.

A clay pipe for smoking tobacco.

(firearms, informal) A clay pigeon.

(informal) Land or territory of a country or other political region, especially when subject to territorial claims

A moth, Mythimna ferrago

(transitive) To add clay to, to spread clay onto.

(transitive, of sugar) To purify using clay.