quā^drŭus — Lewis & Short
quā^drŭus, a, um, adj.quattuor,
I fourcornered or fourfold (post-class.):
errabam riguis per quadrua compita in hortis,i. e. laid out in squares, Aus. Idyll. 14, 5:
vis,fourfold, Prud. Psych. 842.