(geology) the Carboniferous period

A small card with a person's name and professional information (such as occupation, business phone number, e-mail address, etc.).

An area of a town where the homeless gather at night to shelter under makeshift constructions of discarded boxes and packing material.

A tax levied on the carbon contents used by the burning fossil fuels, so as to discourage the production of the greenhouse gas carbon dioxide.

(baseball) A player on the St. Louis Cardinals team. / (American football) A player on the Arizona Cardinals team. / A player on a sports team at Stanford University.

A town in Ceredigion, Wales. / A surname.

Containing or producing carbon.

(chiefly Britain) A card game somewhat like a simplified form of poker, and one of poker's several ancestors

(inorganic chemistry) A colourless or white inorganic compound, CaCO₃, occurring as chalk, limestone, marble etc; reacts with acids to liberate carbon dioxide.

(archaic) A deep-red or fiery colored garnet or other dark red precious stone, especially when cut cabochon.