πύγαργος

A. white-rump, name of a kind of antelope, Hdt. 4.192, LXX De. 14.5, Ael. NA 7.19.

II. a kind of eagle, perh. Circus cyaneus, Arist. HA 618b19; opp. ὁ μελάμπυγος, Archil. 189, cf. Lyc. 91 (et ibi Sch.): metaph. of a coward, S. Fr. 1085.

III. a water-bird, perh. dipper, Cinclus aquaticus, Arist. HA 593b5.