icecap.

A thick permanent ice cover over a region, usually smaller than an ice sheet.

Use it for

Words that belong together

• polar icecap
• summit icecap

On the page

The island's central icecap fed several valley glaciers.

Usage notes

Primary category: setting / environment. Forms: Singular icecap; plural icecaps. 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. Writing functions: setting, description. Commonness: moderately common.