LSJ
τό, victim cut up for sacrifice, over which oaths were taken, τόμιον ἐντέμνεσθαι to cut such a victim in pieces, Ar. Lys. 192; τὰ τ. the parts of the victim used at this solemnity, ib. 186, Antipho 5.88, Pl. Lg. 753d, Arist. Ath. 55.5; στὰς ἐπὶ τῶν τ. κάπρου καὶ κριοῦ καὶ ταύρου D. 23.68, cf. Aeschin. 2.87, Paus. 5.24.9, al.
2.
small log or block of wood, IG 11(2).199 A 55, 219 A 14 (Delos, iii BC).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)