Lewis & Short

glaebālis (glēb-), e, adj. [glaeba].

  1. I. Of or relating to clods (post-class.): agger, consisting of clods, Amm. 23, 5, 15.
  2. II. In law Lat. (acc. to glaeba, II. A.), of or relating to lands: collatio, a tax paid from lands, land-tax, Cod. Th. 6, 2, 3; 4, 8, 11 et saep.