a. Obs. rare–0. [ad. L. tumulōs-us (Sallust), f. tumulus, TUMULUS: see -OSE.] (See quot.) Hence † Tumulosity (obs. rare–0).
1727. Bailey, vol. II. Tumulose (tumulōsus, L.), full of little Hills or Knops. Tumulosity (tumulōsitās), Hilliness.
