Aratrum is the Latin word for ard, and arotron (ἄροτρον) is the Greek word. The Greeks appear to have had several kinds of ard from the records. Hesiod advised the farmer to always have two ards handy, so that if one broke the other could replace it. These ards should be of two kinds. The first was the body- or crook-ard, called autoguos (... Found on http://en.wikipedia.org/wiki/Aratrum