A department of Île-de-France, France.

An administrative region in central France, previously named Centre.

A relief valve set to open at a pressure below that at which a container (such as a boiler) would burst. / (figuratively) Any mechanism offering relief from pressure or tension, e.g. emotionally.

A device that controls the flow of a gas or fluid through a pipe. / A device that admits fuel and air into the cylinder of an internal combustion engine, or one that allows combustion gases to exit.

(transitive) To control (flow) by means of a valve.

The capital city of the autonomous community of Valencia, Spain. / An autonomous community of Spain, the Valencian Community. / A province of the autonomous community of Valencia, Spain.

A kind of sweet orange.

An elongated depression cast between hills or mountains, often garnished with a river flowing through it. / an area which drains itself into a river.

The quality (positive or negative) that renders something desirable or valuable. / (uncountable) The degree of importance given to something.

To estimate the value of; judge the worth of something. / To fix or determine the value of; assign a value to, as of jewelry or art work. / To regard highly; think much of; place importance upon.