snowline.

The lowest level on a mountain or in a region above which snow remains, either seasonally or throughout the year.

Use it for

Words that belong together

• above the snowline
• retreating snowline

On the page

The climbers reached the snowline shortly before noon.

Usage notes

Primary category: setting / environment. Forms: Singular snowline; plural snowlines. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.