- consisting of three; arranged in threes.
- Botany.
- consisting of three leaflets, as a compound leaf.
- having leaves arranged in whorls of three, as a plant.
- an island in E Indonesia, W of Halmahera: important source of spices. 53 sq. mi. (137 sq. km).
- (esp of a leaf) consisting of three leaflets or other parts
- (esp of plants) having groups of three members
