LATIN DICTIONARYLexicon Latīnum
noun

praefurnĭum

Meaning

  1. The opening of a furnace

praefurnĭum, i, n. prae-furnus.
I. The opening of a furnace, the door by which fuel is admitted: si uno praefurnio coques, Cato, R. R. 38, 1.—
II. The heating-room, or hot anteroom of a bath, = προπνιγεῖον, Vitr. 5, 10, 2; 7, 10.

Quick answers

What does praefurnĭum mean in Latin?
praefurnĭum, a noun, means “The opening of a furnace”.