D defs.my
Entry 1 sense Webster, 1913

icecap

/(īs"kăp`)/ · ice·cap · IPA
01 n. a mass of ice and snow that permanently covers a large area of land (e.g., the polar regions or a mountain peak).
  1. 1.
    a mass of ice and snow that permanently covers a large area of land (e.g., the polar regions or a mountain peak).