Nū-bĕ'ū-lā, n.

n.; pl. NU-BĔ'Ū-LĒ. [Lat., diminutive of nubes, cloud.]

1. (Astron.) (a.) A nebula. (b.) (pl.) Specifically, the Magellanic clouds.
2. (Med.) (a.) A slight spot on the cornea. (b.) A cloudy object or appearance in urine. Dunglison.