ˈragaletrare. [Obscurely related to raggle n.1; cf. raglet.] = raggle n.1 1833Loudon Encycl.Archit. §940 Ragalets (grooves), 2 inches deep into the walls, are to be made under these stones, to receive the ends of the slates.1887Dict.Archit., Ragalet, the Scotch term for a groove.