ploxĕmum, ploxĭmum, or plo-xĕnum, i, n. [Gallic],
a wagon-box : gingivas vero ploxemi habet veteris, Cat. 97, 6 (quoted ap. Quint. 1, 5, 8, and ap. Fest. p. 230 Müll.).
ploxemum ī, n Gallic, a wagon-box , Ct. ...
An Elementary Latin Dictionary