Valves

Each of us is full of too many wheels, screws and valves to permit us to judge one another on a first impression or by two or three external signs.

He opened all the gas valves and lay down on the bed.

The blood vessels of a giraffe have valves that prevent excessive blood flow to the brain.

Yanni turned on the water supply valves.

This large mustard family mostly has fruits known as a silique or silicle, which are pods that split into two valves; and yellow or white, rarely pinkish flowers.