ˌvarioˈlarioid,a. [f.mod.L. Variolaria(seedef.) + -oid.] Of or pertaining to the Variolaria, a spurious genus of lichens characterized by pustulate shields; pustulate, pitted. 1856W. L. Lindsay Pop.Hist.Brit. Lichens 42 This variolarioid condition is not uncommon in many crustaceous species.