σφῦρα
ἡ
A.
hammer, Od. 3.434, A. Fr. 307, Hdt. 1.68, Cratin. 87(hex.), Arist. GA 789b11.
2.
beetle, mallet, for breaking clods of earth, Hes. Op. 425, Ar. Pax 566.
II.
balk between the furrows of ploughed land, Poll. 7.145.
2.
a land measure, IG 9(1).61.39 (Daulis, ii A.D.), Hsch. s.v. ὁμόσφυρος.
III.
a fish, = κέστρα, Id.