lūnŭla, ae, f. dim. [1. luna],
a little moon , an ornament worn by women: aurea, Plaut. Ep. 5, 1, 33: lunulae sunt ornamenta mulierum in similitudinem lunae, bullulae aureae dependentes, Isid. Orig. 19, 31, 17; Tert. Cult. Fem. 2, 10.—Rarely of the luna worn by senators on their shoes: hac lunula nam adsuta calceis discernuntur patricii a noviciis, Schol. Juv. 7, 192; cf. luna, II. C.