κανονίς
κᾰνον-ίς, ίδος, ἡ, acc. to ,
A). = ἐργαλεῖον καλλιγραφικόν , ruler, dub. in AP 6.62 ( ), dub. in IG 22.1678.4 .
II). pl., profile-stones running along the top of a wall, IG 22.1666A16 : sg., row of such stones, ib. 1672.186 .[ῑ APl.c., s. v. l.]