anal pore
noun
: an opening on the exterior surface of an animal (such as a fish, nematode, or paramecium) through which undigested food, water, or gas is expelled
The anal fin, on the underside of the striped bass just behind the anal pore, looks a lot like the reverse of the soft dorsal fin.
Nicholas Karas, The Complete Book of Striped Bass Fishing, 2000
Nicholas Karas, The Complete Book of Striped Bass Fishing, 2000Note: Anal pore is often used interchangeably with vent in reference to certain animals and especially fish.
Word History
First Known Use
1841, in the meaning defined above
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