Illustrated Companion to the Latin Dictionary/Porca

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. 

PORCA. The ridge between two furrows in ploughed land. Varro, L. L. v. 39. Id. R. R. i. 29. 2.