In its purest form, a gimbal is a pivoted support that permits the rotation of an object about an axis. In photography terms a gimbal is a device that allows you to capture stabilized, smooth footage from your camera or phone camera while moving. The two most common types of stabilization are 3-axis and 2-axis. 3-axis stabilizers counteract all three motions: up/down (yaw), left/right (pitch), and forward/backward (roll).

3-axis is the preferred type for professionals who want to eliminate camera shake as much as possible. 2-axis stabilizers only compensate for vertical motion which can be good enough if you’re not doing any panning or tilting movements on a tripod.

Phone gimbals are now relatively cheap – examples.