[BOOT sb.3] A kind of jackboot designed for the use of those who have to stand or walk in water.
1813. Col. Hawker, Diary (1893), I. 88. I tramped in water boots to the town of Christchurch.
1883. Fisheries Exhib. Catal., 62. Water Boots of all lengths.
1887. Baring-Gould, Gaverocks, x. Last time I went up clattering in my water-boots; Im to go in pumps, that is what she means.