noun. 1  a. An old French dance resembling the gavotte, usually in 3/4 or 2/2 time beginning with an upbeat. 2  A movement in ballet in which the dancer transfers body weight quickly from foot to foot, usually on the balls of the feet, in a series of small steps.
Nystagmus is a condition where the eyes make repetitive movements. The eyes can jerk exclusively in one direction, or make back and forth movements. With nystagmus, the eye can look jittery and can affect both eyes or just one eye.
1 A turned eye is when one eye does not look in the same direction as the other. 2  One eye may turn in towards the nose (crossed eyes) or outwards towards the ears (wall eyes), or up or down.  This is also known as a squint.