(adjective) : tractōrĭus, a, um, traho.
* Of or for drawing or hoisting: genus machinarum,Vitr. 10, 1.
* Substt.: tractō-rĭa, ae, f. (sc. epistula), a letter of invitation or summons, Aug. Ep. 217.
* Trac-tōrĭae, ārum, f. (sc. litterae), an imperial letter containing an order to provide a person with necessaries on his journey: de tractoriis et stativis,Cod. Just. 15, 52.