Esker

ˈes-kər

Meaning & Definition

noun
A long, narrow, winding ridge of stratified sand and gravel, typically formed by a stream that flows beneath a glacier.
The hikers were awestruck by the sight of the esker that snaked through the valley.
A formation resulting from glacial activity, often seen in areas that have undergone significant glaciation.
Geologists studied the esker to understand the patterns of glacial movement in the region.
A topographic feature that often provides insight into the history of ice sheets and their retreat during warming periods.
Mapping the esker revealed important information about the last ice age in the area.

Etymology

Derived from the Irish word 'eiscir', referring to a ridge or a bank.

Common Phrases and Expressions

glacial esker
A specific type of esker formed by glacial meltwater.
esker system
Refers to the network of eskers found within a specific geographical area.

Related Words

moraine
An accumulation of dirt and rocks that have fallen onto the glacier surface.
kame
A hill or mound of sand and gravel deposited by glacial meltwater.

Slang Meanings