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1.
the action of clearing any natural environment of its components, by hand. Usually done on one's own and with the intention of using the cleared area or components for a desired purpose.
He began by gunnaring the area of rocks so that he would not trip while pillaging the village.

He spent many hot summer's days gunnaring the forest of trees to later use as firewood during the winter months of sheep herding that were to come.
by voyager17 August 30, 2011