noun
- long ridges of sediment deposited by meltwater streams flowing beneath glacial ice
Usage: geology
Examples
- The eskers in Finland provide evidence of ancient glacial activity.
- Geologists studied the eskers to understand ice sheet movement patterns.
- These winding eskers stretch for miles across the landscape.
- The eskers contain gravel and sand deposited by glacial streams.
- Many eskers in Canada were formed during the last ice age.
- The distinctive shape of eskers makes them easy to identify from aerial photographs.