ōrārĭum — Lewis & Short
ōrārĭum, ii, n.1. ōs,
I a napkin, handkerchief, Lucil. ap. Non. 539, 22:
oculum ligavit orario, Aug. Civ. Dei, 22, 8, 7.—Used in signifying applause,Vop. Aur. 48 fin.