Illustrated Companion to the Latin Dictionary/Crustularius

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. 

CRUSTULA'RIUS. One who makes and sells crustula. Senec. Ep. 56.