πλατυκέφαλος

ον
A. flat-headed, Apollod. Poliorc. 146.7, al., Olymp. Hist.p.459 D.
II. a venomous beast or reptile, Philum. Ven. 32.2.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project