Glacial Island Not Covered With Snow or Ice
Puzzle 10 of Jane Austen Hard Pack
Question is: Glacial Island Not Covered With Snow or Ice
and the answer is: NUNATAK
Word Meaning:
NUNATAK — A mountain top or rocky element of a ridge that is surrounded by glacial ice but is not covered by ice; a peak protruding from the surface ice sheet.
Definitions from Wiktionary.