What is the meaning of Pothole?

A shallow pit or other edged depression in a road's surface, especially when caused by erosion by weather or traffic.

A pit formed in the bed of a turbulent stream.

A vertical cave system, often found in limestone.

A pit resulting from unauthorized excavation by treasure-hunters or vandals.

A shallow hole dug for the purpose of prospecting for opal or gold.

A hyperlink with text displayed on a page that is different from the title of the page to which the text links; a piped link.

A hole or recess on the top of a stove into which a pot may be placed.

Source: wiktionary.org