1) Having to do with a structure that is a vestibule (entrance), such as the vestibule of the ear. 2) Having to do with the body's system for maintaining equilibrium.

1819, in reference to the inner ear part, from vestibule + -ar.

inside tooth surface-related (pop)

(adj) relating to the sense of equilibrium

Pertaining to the vestibular system in the middle ear and the brain which senses movements of the head. Disorders of the vestibular system can lead to dizziness, poor regulation of postural muscle ton [..]

relating to the balance system; more specifically to the vestibule of the inner ear voxel

  disease (old dog vestibular disease)   Disorder causing loss of balance. It may cause slight head tilt, or it may be severe enough to prevent the dog from standing normally and to cause nausea.

Vestibular is to do with a structure that is a vestibule (entrance), such as the vestibule of the ear. The vestibular system in the body is responsible for maintaining balance, posture, and the body’s [..]