χρηστήριον · chrēstērion — LSJ
an oracle
an oracle, i. e.,
I the seat of an oracle
the seat of an oracle, such as Delphi, h.Ap. 81, 214, Hes. Fr. 134.6, Hdt. 1.47, al., E. Med. 667, etc.; τὸ ἐν Δελφοῖσι χ. Hdt. 1.13, cf. X. Cyr. 7.2.15; χρᾶσθαι χρηστηρίοισι Hdt. 1.47, 53, al.: distd. fr. the νηός, Id. 6.19: sts. in pl. for sg., A. Th. 748, Eu. 194.
2 oracular response
oracular response, Hdt. 1.63, 69, al., Th. 1.25, 2.54: pl., A. Ag. 964, S. OC 604, 1331, E. Ion 532 (troch.).
II an offering for the oracle, sacrificial victim, victim, sacrifice
an offering for the oracle, made by those consulting it: generally, sacrificial victim, χ. θέσθαι Pi. O. 6.70; χ. παρέχειν IG 2(2).1126.33; χρηστήρια θεοῖσιν ἔρδειν A. Th. 230, cf. Supp. 450; χ. πέπτωκε E. Ion 419: metaph., victim, sacrifice, σφάγια . . κείνου χρηστήρια τἀνδρός S. Aj. 220 (anap.).