colloq. [Short for total or L. totum: see also TOTE sb.1] The total of an addition, sometimes having tot. written against it; hence, an addition sum; also (tot-up) the action of TOT v.2; adding up, totalling.

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[1690.  Pepys, Mem. Royal Navy, 36. Repaires, l. 132000, Sea-stores, l. 88000. Tot, 220,000.]

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1871.  Standard, 13 Feb. The task of going over the cards … and comparing the lists, and doing the general tot-up, is very arduous.

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1879.  C. Marvin, Our Public Offices, 11. I fell upon the row of ‘tots’ with the same vigour.

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1894.  Daily News, 14 July, 5/1. He has seen children in Standards IV and V using their fingers freely during the examination, and even trying to do ‘tots’ by this cumbrous method.

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