κέρας , κέραος, dat. κέραι (κέρᾳ), pl. κέρα_
(but shortened before a vowel), κεράων,
dat. κέρασι, κεράεσσι:
horn; bows were made of horn, Il. 4.109 ff., Od. 21.395; hence said for ‘bow,’ Il. 11.385; a sheath of horn was used to
encase a fishing-line, to prevent the hook from being bitten off,
Il. 24.81; with a play upon the word
κραίνω, Od.
19.566.