Lewis & Short

caelĭbāris (caelĭbālis hasta, Prisc. p. 631 P.), a small spear or pin, with the point of which the bride’s hair was divided into six locks, Arn. 2, 6, 7; Paul. ex Fest. p. 62, 16 Müll. (Respecting the origin of this custom, v. Ov. F, 2, 560.)