I.a little cloud.
I. Lit., Plin. 18, 35, 82, § 356.—
B. Transf., something cloudy or dark, a dark spot: “mala urina, in quā veluti furfures atque nubeculae apparent,” Plin. 28, 6, 19, § 68: “smaragdi variā nubeculā improbati,” id. 37, 5, 18, § 68: “nubeculae et caligationes suffusionesque oculorum,” id. 29, 6, 38, § 123; 20, 7, 26, § 61.—
II. Trop., a gloomy expression of countenance: “frontis tuae nubecula,” Cic. Pis. 9, 20.
