ˈplough-back, plow-Econ.Also as one word.[f.to plough back: see plough v. 9 g.]Investment of income or profit in the enterprise from which it emanates; the capital so invested.1946Sun (Baltimore) 28 Mar. 19/2 After payment of..taxes and..dividends, the company showed a plow-back of $64.90 a share.1961Times Lit.Suppl. 6 Jan. 2/2 Less socialist-minded politicians..taxed such ‘plough-backs’ into companies' own coffers more heavily.1966Economist 26 Mar. 1264/2 Borax would have to justify itself by giving an assurance on the future flow of dollar dividends from the American ploughback.1970Daily Tel. 2 Jan. 14 Some new Government, if well advised, will be in a position to let the private sector have more of its head in..plough-backs, investment and profits.1974M. B. Brown Economics of Imperialism v. 123 The 7 per cent or so of Britain's national income, which was invested in the decades before the 1830s had..to be found almost entirely from the ploughback of profits.