pothole Synonyms

chuckhole rock mill oxbow lake well trough trench subterrane shaft rut puncture pockmark mineshaft borehole road hole pock-mark subterranean area underground chamber pits speed bump rock shelter giant kettle pot-hole pocket pock dimple depression dent den crater corrugation cavity cavern cave ditch excavation gap pit mudhole lake indentation hollow hole grotto grottoes grot bump