School slang. A bath; a foot-pan. Also tosh-can, -pan.
1882. Leathes, in Pascoe, Life Publ. Sch., ii. 20. A tosh pan is also provided.
1883. Tosh-can [see TOSH v.2].
1905. H. A. Vachell, The Hill, i. We call a tub a tosh. Ibid., iii. His feet were thrust into a tosh filled with steaming water.