Entry 2 senses · 2 variants Webster, 1913 Tumulate · Tu·mu·late · IPA /ˈtumjəleɪt/ v. t. v. i. 01 v. t. To cover, as a corpse, with a mound or tomb; to bury. 1. To cover, as a corpse, with a mound or tomb; to bury.[Obs.] 02 v. i. To swell. 1. To swell.[Obs.]