A.partition or barrier, Th.1.133, HeroSpir.1.8; “στοᾶς” Inscr.Prien.99.19; lock in a canal, PPetr.3p.343 (iii B.C.), D.S.1.33.
II. muscle which divides the thorax from the abdomen, midriff, diaphragm, Pl.Ti.70a, 84d, Gal.UP4.14, etc.
b. δ. [τοῦ μυκτῆρος] cartilage which divides the nostrils, Arist.HA492b16, cf. Ruf. Onom.34, Gal.17(1).824.
c. the velum palati, Hp.Epid.2.2.24.
d. septum lucidum of the brain, Gal.2.719.