διάφραγμα · diaphragma — LSJ
partition, barrier, lock
partition or barrier, Th. 1.133, Hero Spir. 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
muscle which divides the thorax from the abdomen, midriff, diaphragm, Pl. Ti. 70a, 84d, Gal. UP 4.14, etc.
b cartilage which divides
δ. [τοῦ μυκτῆρος] cartilage which divides the nostrils, Arist. HA 492b16, 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.