βοσκάς
άδος, Subst., ἡ
A.
feeding, f.d, νηδύς Id. Th. 782; ὀρταλίς Id. Al. 293.
2.
of birds which feed themselves, not artificially fed, Aët. 9.30 (cf. βοσκός).
II.
as Subst., kind of duck, perh. teal, Anas crecca, Arist. HA 593b17, Alex.Mynd. ap. Ath. 9.395d.