wangea

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

wángea

n. a weapon or sword set with shark's teeth.

wangea

or. wi-ni-ngarei:

n. (1) native sword, 2-3 ft. long having four rows of sharks' teeth.

n. (2) sword, sabre, chopper.