howl
verb(howl)
emit long loud cries
Examples:
Howl with sorrow. 
howl
verb(howl)
make a loud noise, as of wind, water, or vehicles
Examples:
The wind was howling in the trees. 
howl
verb(howl)
cry loudly, as of animals
Examples:
The coyotes were howling in the desert. 
howl
verb(howl)
laugh unrestrainedly and heartily
howl
noun(howl)
a long loud emotional utterance
Examples:
He gave a howl of pain. 
Howls of laughter. 
Their howling had no effect. 
howl
noun(howl)
a loud sustained noise resembling the cry of a hound
Examples:
The howl of the wind made him restless. 
howl
noun(howl)
the long plaintive cry of a hound or a wolf