kettle
kettle hole
pothole

The loch is said to be unusually deep for a typical kettle hole.

When the ice blocks melt, kettle holes are left in the sandur.

In most cases, kettle holes eventually fill with water, sediment, or vegetation.

Bomere Pool is a particularly fine example of a kettle hole mere.

A kettle hole was a hazard of their warming times, Silverhair knew.

A famous example of a kettle hole, it was formed by retreating glaciers 10,000-12,000 years ago.

On Earth we call these features kettles or kettle holes.

Campus officials said they had redesigned the drainage to protect the kettle hole.

If the city ever won the right to pave the kettle holes with fairways, he said, he'd probably golf on them.

The mere is a good example of a kettle hole, of which there are several in the Delamere area.