A river in North Yorkshire, England that flows through Eskdale to Whitby. / A river in Cumbria, England, which also flows through Eskdale, and into the Irish Sea.

A river in Angus council area and Aberdeenshire council area, Scotland, which flows into the North Sea. / A river in Midlothian council area, Scotland, a branch of the River Esk, East Lothian.

A long, narrow, sinuous ridge created by deposits from a stream running beneath a glacier.

plural of esker

(mineralogy) A tetragonal-scalenohedral bronze mineral containing copper, iron, and selenium.

A general anesthetic and dissociative drug, the S(+) enantiomer of ketamine, being investigated as an antidepressant.

A surname.

A surname.

plural of Esker

A surname from German.