dial. and low colloq. [f. chumley = CHIMNEY.] A chimney-sweeper’s boy.

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1836–9.  Dickens, Sk. Boz (1866), 105. He ’ad been a chummy.

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1844.  Thackeray, Greenwich, Wks. 1886, XXIII. 380. The hall was decorated with banners and escutcheons of deceased chummies.

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1859.  W. Gregory, Egypt, I. 154. His shrill voice high up aloft, like a chummy’s on a London summer morn.

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