Illustrated Companion to the Latin Dictionary/Columnarium
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.
COLUMNA'RIUM. A Roman tax levied upon proprietors or occupants for the number of columns contained in their houses, or other buildings belonging to them. Cic. Att. xiii. 6.