shifting center

The same as METACENTER (q. v.). shifting-gauge, s. An adjustable gauge. shifting-plank, s. Ordn.: An oaken plank, used, in conjunction with the rollers, blocks, and other implements, for shifting cannon from one level to another. shifting-rail, s. Vehicles : An upper rail or lazy-back to a car. riage, removable at pleasure. shifting-sand (or sands), subst. Loose-moving sand; a quicksand.