Synonyms: valve
Definition: one of the paired hinged shells of certain molluscs and of brachiopods
Similar words: shell
Definition: the hard largely calcareous covering of a mollusc or a brachiopod
Synonyms: valve
Definition: the entire one-piece shell of a snail and certain other molluscs
Similar words: shell
Definition: the hard largely calcareous covering of a mollusc or a brachiopod
Synonyms: valve
Definition: control consisting of a mechanical device for controlling the flow of a fluid
Similar words: control, controller
Definition: a mechanism that controls the operation of a machine
Usage: the speed controller on his turntable was not working properly; I turned the controls over to her
Synonyms: valve
Definition: device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
Similar words: device
Definition: an instrumentality invented for a particular purpose
Usage: the device is small enough to wear on your wrist; a device intended to conserve water
Synonyms: valve
Definition: a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
Similar words: anatomical structure, bodily structure, body structure, complex body part, structure
Definition: a particular complex anatomical part of a living thing
Usage: he has good bone structure