Mini Sheet of Frozen Water, Mostly in Polar Areas

This page is the CodyCross answer for the clue below from Beach Bliss, Group 2055, Puzzle 5 (Catamarans).

Question is: Mini Sheet of Frozen Water, Mostly in Polar Areas

and the answer is: ICECAP

Word Meaning:

ICE CAP — A permanent expanse of ice encompassing a large geographical area, as for example in Earth's polar zones (polar ice) or at high elevation. [from 19th c.]

Definitions from Wiktionary.