ĭn-ărātus, a, um, adj.,
unploughed , untilled , fallow (poet.): terra, Verg. G. 1, 83: tellus, Hor. Epod. 16, 43: diu Pangaea, Stat. Th. 10, 512.
in-arātus adj., unploughed, untilled, fallow: terra, V.: tellus, H. ...
An Elementary Latin Dictionary