Green’s Dictionary of Slang

clour n.

also clower

a basket.

a.1790		H.T. Potter New Dict. Cant (1795) n.p.: ped or clour a basket.
1809		G. Andrewes Dict. Sl. and Cant.
1821		Flash Dict.
c.1850		Duncombe New and Improved Flash Dict.
1859		Matsell Vocabulum 19: clower. A basket.