The gully shimmered in heat waves.
The wolf ran forward and jumped heavily over a gully that lay in her path.
I'd travel so far and then I would be stopped by a gully or a creek.
That instant, when Nicholas saw the wolf struggling in the gully with the dogs, while from under them could be seen her gray hair and outstretched hind leg and her frightened choking head, with her ears laid back (Karay was pinning her by the throat), was the happiest moment of his life.
The extension of a basin or trough stretching towards the continent is termed an embayment when relatively wide and a gully when narrow.