island

Definitions

• A contiguous area of land, smaller than a continent, totally surrounded by water.
• An entity surrounded by other entities that are very different from itself.
• A superstructure on an aircraft carrier's deck.
• A traffic island.
• (government) An unincorporated area wholly surrounded by one or more incorporated areas.
• (grammar) A phrase from which a wh-word cannot be extracted without yielding invalid grammar.