Illustrated Companion to the Latin Dictionary/Fumariolum

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. 

FUMA'RIOLUM. Diminutive of FUMARIUM. The vent or aperture in a volcanic mountain, through which the smoke and vapour make their egress. Tertull. Poen. 12.