subs. (Winchester College).A hamper from home. The word is still in use.
1866. MANSFIELD, School-Life at Winchester College, p. 77. The boys, eager for breakfast, tumultuously rushed out from school-court to see if Poole, the porter, had letters, or, what was even more delightful, a CARGO (a hamper of game or eatables from home).
1883. PASCOE, ed. Everyday Life in Our Public Schools, 89. Scholars may supplement their fare with jam, potted meats or, better still, from the contents of CARGOES, i.e., hampers from home.