κατάτρησις

εως, ἡ
A. aperture, mostly pl., Epicur. ap. Placit. 2.20.14, Dsc. 5.102, Gal. 7.728, al., Erot. s.v. σπόγγοι.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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