glumal,a.|ˈgl(j)uːməl| [f. glume + -al1.] =prec.: Lindley's name for an ‘alliance’ of glume-bearing endogens (see alliance n. 6). Also ˈglumaln., a member of this alliance. 1846Lindley Veg.Kingd. 105 Glumales, the Glumal Alliance... Natural orders of Glumals.