LATIN DICTIONARYLexicon Latīnum
noun · femininefirst declension

causia

causia f (genitive causiae)
Classical[ˈkau̯.si.a]Ecclesiastical[ˈkaːu̯.si.a]

Meaning

  1. femininekausia (a Macedonian hat with a wide brim)

Declension

declension
formsingularplural
nominativecausiacausiae
genitivecausiaecausiārum
dativecausiaecausiīs
accusativecausiamcausiās
ablativecausiācausiīs
vocativecausiacausiae

causĭa, ae, f., = καυσία,
I. a Macedonian white hat with a broad brim, worn in Rome by the poorer people, as a protection against the sun, Plaut. Mil. 4, 4, 42; id. Pers. 1, 3, 75; Val. Max. 5, 1, 4; Mart. 14, 29.—Hence,
II. In milit. lang., a kind of roof for the protection of besiegers, = vinea, Veg. Mil. 4, 15.

Origins

Borrowed from Ancient Greek καυσίᾱ (kausíā).

In the Academy Smith's classical dictionaries

AntiquitiesCausiaCausia a broad-brimmed felt hat, which was part of the national costume of the Macedonians and neighbouring nations (e. g. the Illyrians, Plaut. Trin.…

Quick answers

What does causia mean in Latin?
causia, a noun, means “kausia (a Macedonian hat with a wide brim)”.
What is the genitive of causia?
The genitive singular is causiae. causia is feminine, first declension.
How do you pronounce causia?
In classical Latin, [ˈkau̯.si.a]; in ecclesiastical (church) Latin, [ˈkaːu̯.si.a].