Ramon petak kinan.—Eatable soil.
Rangkan.—Is a large canoe formed by excavating the trunk of a tree. It will carry thirty persons, in some cases even more.
Real.—An imaginary coin among the Dayaks. Its value is about 60 cents.
Ringgit.—See weights.
Rioeng.—Noise.
Riwoet-haroesan.—Breath of the stream; a musical sound formed by the waters of a stream meeting the incoming tide from the sea.
Sadjampol.—See weights.
Sakobang.—See weights.
Salambouw.—A square net with medium sized meshes, spread across a stream to prevent the escape of fish.
Sambalajong.—A white head-dress worn by widows.