Illustrated Companion to the Latin Dictionary/Irpex

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. 

IRPEX. A heavy rake set with a number of teeth (regula cum pluribus dentibus. Varro, L. L. v. 136. Festus, s. v.), which was drawn by oxen over the ground, like a harrow, to tear up the weeds.