Gully is an urban way of explaining something.
Example: That song was gully (meaning the song was really good)
creekbed
Canal, channel, culvert, gully, gutter, course.
WADI - a valley, gully found in northern Africa
something from the street, gutter &/or "gangsta" also synonym of hood or ghetto ex. That's so gully... I'm so gully...
Gully, crevasse, gorge, gulf, fissure.
Superb is another word for excellent. Superb is another word for excellent.
Canal, channel, culvert, gully, gutter, course.
gully
arroyo
arroyo
chasm
When the cow fell into the gully, it took a team of firemen and heavy lifting gear to rescue it.
Obviously it's Mast...
gully erotion is something that makes trenches
WADI - a valley, gully found in northern Africa
The Don wants to be a gully!
The best I can guess is that you are looking for the word "ravine", or possibly "gully".
Probably "gully" although even a large gully would barely make honorable mentions as a small "canyon".