Third-person singular simple present indicative form of island

(in New York City) Long Island (in New York State) / (in British Columbia) Vancouver Island / (UK, colloquial) HM Prison Parkhurst, a prison on the Isle of Wight.

plural of islander

(chiefly Ireland) The archipelago in the North Atlantic comprising Great Britain, Ireland and surrounding islands. / Used other than figuratively or idiomatically: see these, islands.

(rare) Pertaining to an island or group of islands.

area of land that is surrounded by water

An Australian external territory and volcanic group of uninhabited Antarctic islands, between Madagascar and Antarctica.

Somebody from the Solomon Islands.

An area of roadway from which traffic is excluded so as to provide safety for pedestrians; a traffic island.

(informal, astronomy, archaic) A galaxy