Sometimes, gimbal. a contrivance, consisting of a ring or base on an axis, that permits an object, as a ship's compass, mounted in or on it to tilt freely in any direction, in effect suspending the object so that it will remain horizontal even when its support is tipped.
a device, consisting of two or three pivoted rings at right angles to each other, that provides free suspension in all planes for an object such as a gyroscope, compass, chronometer, etc Also called gimbal ring
C16: variant of earlier gimmal finger ring, from Old French gemel, from Latin gemellus, diminutive of geminus twin
1570s, "joints, connecting links;" alteration of gemel "twins" (late 14c.), from Old French jumel (Modern French jumeau) "a twin," from Latin gemellus, diminutive of geminus (see geminate). Related: Gimbals.