Obs. rare. [? Corruption of Norw. varde (cf. ON. varða, varð-r of the same meaning).] A beacon or sea-mark. Obs.
1584. R. Norman, trans. Safegard of Sailers, 50 b. When you are a little within, there [Norway coast] stands a little Warder which is a beacon or marke before the entrie. Ibid., 53 b. Then as far from that lies another little rocke in sight aboue water, and there stands a warder or marke vpon it.
1588. Ashley, Wagenars Mariners Mirr., II. Plot VII. On the North side stande two warders [Du. twee warderen] vpon a high hill.