σκληροκέφαλον
From LSJ
μηδ' εἰς ὀρχηστρίδος εἰσᾴττειν, ἵνα μὴ πρὸς ταῦτα κεχηνὼς μήλῳ βληθεὶς ὑπὸ πορνιδίου τῆς εὐκλείας ἀποθραυσθῇς → and not to dart into the house of a dancing-woman, lest, while gaping after these things, being struck with an apple by a wanton, you should be damaged in your reputation
English (LSJ)
τό, a kind of A spider, Philum.Ven.15.4.
