From WordNet (r) 2.0 (August 2003) [wn]:
Greenland
n : the largest island in the world; between the Atlantic and
Arctic Oceans; a self-governing province of Denmark [syn:
Greenland, Gronland, Kalaallit Nunaat]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Greenland \Greenland\ prop. n.
An island situated between the Atlantic and Arctic Oceans,
the largest island in the world; it is a Danish territory.
[WordNet 1.5]