Illustrated Companion to the Latin Dictionary/Propnigeum

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

PROPNIGE'UM (προπνιγεῖον). The mouth of a furnace (πνιγεύς); properly a Greek term, for which the Latin one is PRAEFURNIUM. Plin. Ep. ii. 17. 11. Vitruv. v. 11. 2.