definition of
cloud

[1] #1 cloud n. any collection of particles (e.g., smoke or dust) or gases that is visible. wn

[2] #2 cloud n. a visible mass of water or ice particles suspended at a considerable altitude. wn

[3] #3 cloud v. [overcast] make overcast or cloudy; "Fall weather often overcasts our beaches". wn

[4] #4 cloud v. [obscure, befog, becloud, obnubilate, haze over, fog, mist] make less visible or unclear; "The stars are obscured by the clouds"; "the big elm tree obscures our view of the valley". wn

[5] #5 cloud n. out of touch with reality; "his head was in the clouds". wn