Top Definition
synonymous with groinalplex, the crotchal zone is an important and sensitive region between the legs encompassing the genitalia. one must take care to protect the crotchal zone from flying objects and venereal diseases.

can be quite fun to use both 'groinalplex' and 'crotchal zone' side-by-side.
Sean, will you please stop gesturing to your crotchal zone and pass the 'melk?'
by elemental May 04, 2005
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