I.a circle.
II. Transf.
A. Astron. t. t., a cycle, recurring period: “paschalis,” the Easter cycle of ninety-five years, Isid. Orig. 6, 17, 1: “lunae,” the lunar cycle of nineteen years, id. ib. 6, 17, 5.—
B. Med. t. t., a periodic change, a recurrence: “resumptionis,” Cael. Aur. Tard. 1, 1, 21: “metasyncriticus,” id. ib. 1, 1, 24; cf.: “cyclo curare,” Veg. Art. Vet. 5, 5, 3; 3, 6, 1.—
III. An instrument for branding, Veg. Vet. 2, 5, 3; 2, 6, 11.