What is the Latin word for diaphragm?

The usual Latin words for “diaphragm” are praecordia, saeptum, diaphragma; also Caelius, Măcrŏbĭus. The right choice depends on the sense; see the distinctions below.

English → Latin

“diaphragm” in Latin

praecordiadiaphragm; midriff; entrails; chest saeptumA fence, enclosure, wall.; Any enclosed place, an enclosure.diaphragmadiaphragm (all senses); septum, partition; midriff CaeliusLucius Coelius Antipater, a Roman jurist and historian; Marcus Caelius Rufus, a Roman politician and orator Măcrŏbĭusa Roman grammarian at the end of the fourth century, author of a commentary on Cicero's

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

diaphragm

praecordia, plur., ; septum, quod membrana quadam superiores partes praecordiorum ab inferioribus diducit (Cels.): diaphragma (διάφραγμα, caelius, Aur., Tard.; in Cels., in Greek characters): disseptum, quod ventrem et cetera intestina discernit (Macrobius, Somn. Scip., 1, 6).

Quick answer

What is the Latin word for diaphragm?: The usual Latin words for “diaphragm” are praecordia, saeptum, diaphragma; also Caelius, Măcrŏbĭus. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.