Definify.com
Webster 1913 Edition
Isle
1.
An island.
[Poetic]
Imperial rule of all the seagirt
isles
. Milton.
2.
(Zool.)
A spot within another of a different color, as upon the wings of some insects.
Isle
,Verb.
T.
To cause to become an island, or like an island; to surround or encompass; to island.
[Poetic]
Isled
in sudden seas of light. Tennyson.