ārŭla, ae, f.dim. [ara]. I.A small altar: ante hosce deos erant arulae, Cic. Verr. 2, 4, 3; Vulg. Jer. 36, 22; 36, 23bis; Jus Papir. in Macr. S. 3, 11; Arn. 3, p. 114; Inscr. Orell. 1630.— II. Perh. the base of an altar (eccl. Lat.): quos (anulos) pones subter arulam altaris, Vulg. Exod. 27, 5; 38, 4.—III. Among the Campanians, the turf laid altar-like round an elm-tree, Plin. 17, 11, 15, 77.