A.beast or animal which goes on all fours, Od.4.418 ; “πᾶν ἑ. πληγῇ νέμεται” Heraclit.11 ; “ἑρπετὰ ὅσσα τρέφει μέλαινα γαῖα” Alcm.60.3; “ὄφις καὶ σαύρας καὶ τὰ τοιαῦτα τῶν ἑρπετῶν” Hdt.4.183 ; “τοῖς μὲν ἄλλοις ἑρπετοῖς πόδας ἔδωκεν.., ἀνθρώπῳ δὲ καὶ χεῖρας” X.Mem.1.4.11 ; ἑρπετά, opp. πετεινά, Hdt.1.140, cf. Theoc.15.118, A.R.4.1240: generally, “ἑ. οὐδὲ γυνή” Call.Jov.13 ; πυκινώτατον ἑ., of a hound, Pi.Fr.106 ; of insects, Semon.13, Nic.Fr. 74.46.
II. creeping thing, reptile, esp. snake, E.Andr.269, Theoc. 24.57 ; “περὶ κιναδέων τε καὶ ἑ.” Democr.259 ; “ἑρπετά τε καὶ δάκετα <πάντα>” Ar.Av.1069 ; of the monster Typhoeus, with a snake's body, Pi.P.1.25.