From Longman Business Dictionarywinding upˌwinding ˈup noun [singular, uncountable] COMMERCELAWwhen a business or organization is closed down, especially because it cannot pay its debtsRedeemable preference shares carry a preferential right to repayment of capital on a winding up.The High Court issued a winding up order against the firm’s operations in the UK. → compulsory winding up → voluntary winding up