ῥίνη

A. file, rasp, X. Cyr. 6.2.33, Arist. Aud. 803a2, Aen.Tact. 18.5, IG 11(2).173.11 (Delos, iii B.C.), etc.; χαρακταὶ ῥῖναι AP 6.205 (Leon.).
II. shark with a rough skin, used (like shagreen) for polishing wood and marble, Rhina squatina, angel fish, Hp. Int. 1, Epich. 59, Archipp. 25, Anaxandr. 41.53, Arist. HA 540b11, al. (ῥινή 1, ῥίνη 11 acc. to Hdn.Gr.1.333.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project