colloq. [f. CAB sb.3 + -Y4.] A cab-driver.

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1859.  W. Thornbury, in All Y. Round, No. 34. 176–7. Call the cabby up for my trunk and hat-box.

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1881.  Times, 19 Jan., 10/2. Such ‘cabbies’ as were about, after setting down a fare, turned a deaf ear to any one who hailed them.

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