Improve Goaf meaning in Urdu

Is there any meaning of the word goaf that needs an edit? Please click that meaning to rewrite it.

کان کا وہ خالی حصہ جہاں سے کوئلہ نکال لیا گیا ہو

Is there any meaning of the word goaf that needs to be removed from the list? Please click that meaning to mark it for deletion.

کان کا وہ خالی حصہ جہاں سے کوئلہ نکال لیا گیا ہو

Do you want to add a new meaning, definition, and a sentence of the word goaf? Please feel free to add.