Emily Dickinson Lexicon

WAG'ON, n. [D. and G. wagen; Sw. vagn; Sax. wægn, wæn; W. gwain, a wagon, wain or sheath, L. vagina, the latter being from wag, and signifying a passage; Gaelic, baighin, a wagon; Malabar, wagaham; Sans. wahana. The old orthography, waggon, seems to be falling into disuse. See Wag.]

1. A vehicle moved on four wheels, and usually drawn by horses; used for the transportation of heavy commodities. In America, light wagons are used for the conveyance of families, and for carrying light commodities to market, particularly a very light kind drawn by one horse.
2. A chariot. [Not in use.] – Spenser.