1.  central america(n = noun.location) - the isthmus joining North America and South America; extends from the southern border of Mexico to the northern border of Colombia;
is a kind of isthmus
is a part of latin america, america, north america
has parts: central american country, central american nation, costa rica, republic of costa rica, guatemala, republic of guatemala, belize, british honduras, honduras, republic of honduras, el salvador, republic of el salvador, salvador, nicaragua, republic of nicaragua

2.  central america(n = noun.group) - the nations of Central America collectively;
is a kind of accumulation, aggregation, assemblage, collection

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