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Ball, Check, etc. -- Double-beat valve, a kind of balance valve usually consisting of a movable, open-ended, turban-shaped shell provided with two faces of nearly equal diameters, one above another, which rest upon two corresponding seats when the valve is closed. -- Equilibrium valve. (a) A balance valve. See under…

dows, doors, etc., made of thin slats, either fixed at a certain angle in the shutter, or movable, and in the latter case so disposed as to overlap each other when close, and to show a series of open spaces for the admission of air and light when in other positions. -- Venetian carpet, an inexpensive carpet, used for…

Capable of turning; freely movable; as, a versatile anther, which is fixed at one point to the filament, and hence is very easily turned around; a versatile toe of a bird. -- Ver"sa*tile*ly, adv. -- -- Ver"sa*tile*ness, n.

Having movable joints resembling vertebræ; -- said of the arms ophiurans.

One of the movable, slender, spinelike organs or parts with which certain bryozoans are furnished. They are regarded as specially modified zooids, of nearly the same nature as Avicularia.

rarely, both kidneys, can be moved in certain directions; -- called also floating kidney, movable kidney. -- Wandering liver (Med.), a morbid condition of the liver, similar to wandering kidney. -- Wandering mouse (Zoöl.), the whitefooted, or deer, mouse. See Illust. of Mouse. -- Wandering spider (Zoöl.), any one of…

nding tackle (Naut.), a tackle consisting of a fixed triple block, and a double or triple movable block, used for hoisting heavy articles in or out of a vessel. Totten.