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islet - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

From Middle French islette. By surface analysis, isle +‎ -let.

islet (plural islets)

  1. A small island.
    Synonym: eyot

    There is an islet on the other side of this body of water.

  2. (biology) An isolated piece of tissue that has a specific function.

small island