urubai

Bingham: Hiram Bingham, A Gilbertese-English Dictionary (1908, 1953). American Board of Commissioners for Foreign Missions.
Sabatier: Ernest Sabatier, M.S.C., Dictionnaire Gilbertin-Français (1954), translated by Sr. M. Oliva as Gilbertese-English Dictionary (1971). South Pacific Commission Publications Bureau.

Bingham

úrub'ai

vi. destroying.

n. destruction.

urubai

n. destruction of things, destruction, sack, plunder, pillage, ruin.

v. to destroy, to devastate, to lay waste, to break, to smash, to upset, to dismantle.

ex. te tia urubai: the destroyer, plunderer, pillager...