bakatuntun

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

bakatun/tun

vi. to arrive as a fleet.

bakatuntun

v. to break against, to bump against, to knock against directly.
to fall directly on.

vc. kabakatuntuna: to aim straight and arrive directly on...