mamma

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

mæ/mma

n. udder, breasts.

vi. suck the breast.

mamma

n. breasts, udder.

n. te tabo ni mamma: teat, nipple.te ran ni mamma: maternal milk.

vc. kamamma: to suckle, to give suck, to nurse.