Liddell–Scott–Jones: ὑλᾰκ-ή

ὑλᾰκ-ή [ῠ],ἡ,

A. barking, howling,Poetae ap. Pl. Lg. 967d , A.R. 3.749 , AP 6.167 ( Agath. ), etc.; also in late Prose, Plu. Cim. 18 , Luc. VH 1.32 , prob. l. in Ant.Lib. 23.2 .