nūbēcŭla — Lewis & Short
nūbēcŭla, ae, f.dim.nubes,
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.—
frontis tuae nubecula,Cic. Pis. 9, 20.