ὑπόζωμα · hypozōma — LSJ
diaphragm, midriff, Arist. HA 509b17, 514a30, PA 674a9, al.
in insects, division between thorax and abdomen, Id. HA 535b8, PA 659b16, al.
in pl., ropes or braces used to strengthen the hull of a trireme (cf. ὑποζώννυμι II), Pl. R. 616c (where a beam of light passing through heaven and earth is compared to τὰ ὑ. τῶν τριήρων), Lg. 945c, IG 2(2).1479.49, 1609.108, 1611.335,410, 1612.319, 1622.287,640, 1627.410, 1668.74, 1673.12,13, etc.; ὑ. ἐλάμβανε δώδεκα (sc. ἡ τεσσαρακοντήρης ναῦς) · ἑξακοσίων δʼ ἦν ἕκαστον πηχῶν Callix. 1; ὁ στόμαχος καθάπερ νεὼς τοῦ σώματος ὑ. ὑπάρχει Herod.Med. in Rh.Mus. 58.99; cf. ζώμευμα.