(n) nystagmus caused by suddenly stopping the rapid rotation of the body; large slow movements of the eyeballs are in the direction opposite to the direction of rotation
(adv) in a rotational manner, Example:the required influence lines are found by subjecting the model to small displacements horizontally, vertically and rotationally
a. (Physics) Not rotatory; passing from one point to another by a movement other than rotation; -- said of the movement of parts of a liquid or yielding mass. Sir W. Thomson. [ 1913 Webster ]