Assertion: kettle | /r/CapableOf | underlie glacier
Facets:
value: by water
type: OTHER
Source sentences:
text: A giant's kettle, also known as either a giant's cauldron, moulin pothole, or glacial pothole, is a typically large and cylindrical pothole drilled in solid rock underlying a glacier either by water descending down a deep moulin or by gravel rotating in the bed of subglacial meltwater stream.