tractōrĭus, a, um, adj. [traho].
I Of or for drawing or hoisting : genus machinarum, Vitr. 10, 1.—
II Substt. : tractō-rĭa , ae, f. (sc. epistula), a letter of invitation or summons , Aug. Ep. 217.—
B 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.