Illustrated Companion to the Latin Dictionary/Lactarius
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.
LACTA'RIUS. A sort of pastry-cook, who made sweet things (opus lactarium), with milk, meal, fruit, and honey. Lamprid. Elag. 27. and 32.