A portion of a country's territory not connected to the main part / (medicine, rare) A detached part of an organ, as of the pancreas, thyroid (accessory thyroids), or other gland.

plural of exclave

An area that is for practical purposes an exclave, but does not meet the strict definition: an area that is not completely separated from the main part, but can only in practice be reached by passing through another area. For instance, a region of a country that is not connected by road to the main part of the country without passing through another country.

plural of pene-exclave