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gonopore

American  
[gon-uh-pawr, -pohr] / ˈgɒn əˌpɔr, -ˌpoʊr /

noun

Zoology.
  1. an opening through which eggs or sperm are released, especially in invertebrates.


gonopore British  
/ ˈɡɒnəˌpɔː /

noun

  1. an external pore in insects, earthworms, etc, through which the gametes are extruded

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

gonopore Scientific  
/ gŏnə-pôr′ /
  1. A reproductive aperture or pore, especially of certain insects and worms.


Etymology

Origin of gonopore

First recorded in 1895–1900; gono- + pore 2