(dated, Australia, informal, colloquial) A sandwich.
noun
(UK) A rudimentary wooden bridge in India.
1824, Alexander Gerard, Journal of an Excursion through the Himalayah Mountains, from Shipke to the Frontiers of Chinese Tartary, David Brewster (editor), The Edinburgh Journal of Science, Volume 1: April—October, page 219,
We crossed it and another stream a little above their union by a couple of bad sangos, and ascended from its bed by a rocky footpath, winding amongst extensive forests of oak, yew, pine, and horse chesnut, to Camp.