vaˈriolar,a. [ad.mod.L. variolar-is, f.variola: see prec. So F. variolaire.] Of or pertaining to, resembling (that of), variola. 1840in Smart.1843Proc.Berw.Nat. Club II. xi. 52 The material is a hard variety of basalt,..distinguished by a pitted or variolar aspect.1859in Mayne Expos.Lex.