I . n.
1.
Nebulosity, haze, mist, fog, vapor, collection of vapor.
2.
Dense mass ( as of smoke or dust ).
3.
Throng, multitude, dense mass, vast number, host, army, horde, vast assemblage.
4.
Blur, blurred spot, dark spot or blotch.
5.
Darkness, obscurity, gloom, obscuration, eclipse.
II . v. a.
1.
Overspread, overcast, cover with ~s, be~.
2.
Darken, obscure, dim, begloom, shade, shadow.
3.
Variegate ( with dark veins or spots ).