circumvolution n 1: the act of turning or winding or folding around a central axis
Circumvolution \Cir`cum*vo*lu"tion\, n. [See {Circumvolve}.] [1913 Webster] 1. The act of rolling round; the state of being rolled. [1913 Webster] 2. A thing rolled round another. --Arbuthnot. [1913 Webster] 3. A roundabout procedure; a circumlocution. [1913 Webster] He had neither time nor temper for sentimental circumvolutions. --Beaconsfield. [1913 Webster]