Толковый словарь английского языка - rotation

noun Date: 1555 1. a. the action or process of rotating on or as if on an axis or center, the act or an instance of rotating something, one complete turn ; the angular displacement required to return a rotating body or figure to its original orientation, 2. return or succession in a series , the growing of different crops in succession in one field usually in a regular sequence, the turning of a body part about its long axis as if on a pivot, a game of pool in which all 15 object balls are shot in numerical order, the series of pitchers on a baseball team who regularly start successive games in turn, ~al adjective