/ven"dis, -days/ , n. , pl. vendaces , ( esp. collectively ) vendace .
a whitefish, Coregonus vandesius, inhabiting lakes in Scotland and England.
[ 1690-1700; orig. Scots, appar. vandoise, OF vendoise any of various cyprinid fish ( vindisia, prob. deriv. of Celtic * wind- white, bright; cf. OIr find, Welsh gwyn ); perh. conflated with a local Scots word (cf. the var. gevenaces ) ]