- ruby wood, red sandalwood - hard durable wood of red sandalwood trees (Pterocarpus santalinus); prized for cabinetwork
--1 is a kind of wood
--1 is a substance ofred sandalwood, red sanders, red sanderswood, red saunders, Pterocarpus santalinus - red sandalwood, red sanders, red sanderswood, red saunders, Pterocarpus santalinus - tree of India and East Indies yielding a hard fragrant timber prized for cabinetwork and dark red heartwood used as a dyewood
--2 is a kind of tree
--2 is a member of Pterocarpus, genus Pterocarpus
--2 has substances: ruby wood, red sandalwood - coralwood, coral-wood, red sandalwood, Barbados pride, peacock flower fence, Adenanthera pavonina - East Indian tree with racemes of yellow-white flowers; cultivated as an ornamental
--3 is a kind of tree
--3 is a member of Adenanthera, genus Adenanthera