κέρχνος

A. rough excrescence, τραχὺς χελώνης κ. S. Fr. 279.
2. of the throat, roughness, hoarseness, Hp. Epid. 7.27.
b. of sound, harsh croaking, S. Ichn. 128.
II. silverdust, Poll. 7.99.
III. = κέρνος, IG 12.313.17, 314.23 (Eleusis).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project