ghylls

En route they will parry the equally unpredictable down-draughts and may venture inadvertently into ghylls, only to ameliorate their predicament by birdlike soaring.

Country diary: Grasmere, Lake District 2011

They soon found that it was impossible to make their way along the crest of the Morgai, or anywhere along its higher levels, pathless as they were and scored with deep ghylls.

The Lord of the Rings Tolkien, J. R. R. 1954

But, Query, is not the second syllable rather _Gill_, akin to the numerous tribe of "gills" or "ghylls," in the North Countrie?

Notes and Queries, Number 29, May 18, 1850 Various

Of fells and ghylls it consists, of becks and lakes; with here a scattered hamlet and there a solitary hill sheep-farm.

Bob, Son of Battle Alfred Ollivant 1900

And sheep, seeking shelter in the ghylls and protected spots, were buried and lost in their hundreds.

Bob, Son of Battle Alfred Ollivant 1900

And still the birds sung in the clear air without, and still the ghylls rumbled, and still the light wind souched through the grass, and still the morning sunlight shone over all.

A Son of Hagar A Romance of Our Time Hall Caine 1892

The night was now clear and calm; the stars burned; the trees whispered; the distant ghylls, swollen by the rain, roared loud through the thin air; a bird on the bough of a fir-tree whistled and chirped.

A Son of Hagar A Romance of Our Time Hall Caine 1892

Were the murmuring rivers and the roaring ghylls telling to Robbie's ear the hopeless tale that lay cold and silent at his heart?

The Shadow of a Crime A Cumbrian Romance Hall Caine 1892

There in the darkness and the silence, amid the mountains, by the waving trees and the rumbling ghylls, lay half the ruins of his ruined life.

A Son of Hagar A Romance of Our Time Hall Caine 1892

And the birds still sung in the blue sky, and the ghylls still rumbled in the distance, and the light wind still souched through the long grass, and the morning sunlight shone over all.

A Son of Hagar A Romance of Our Time Hall Caine 1892