raeroba

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

ráerob'a

a. coarse.

n. a coarse mat used for flooring purposes.

raeroba

n. a coarse mat made of pandanus leaves, split larger than for kie.

syn. te boroba: large strips of leaves used to make this kind of mat.

n. te roba: mat made of entire pandanus leaf, not split.

note. generally roba is used for mats made of large strips.