ὑλακή

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.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project