wairoro

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

wáiroro

vi. to play with on of the same age.

n. play or sport with one of the same age.

wai-roro

a. wairorona: being about the same age, judge by the age, the generation of...