[L. tamariscus.] A tree or shrub with small scale-like leaves and clusters of white or pink flowers. Its bark is used as an astringent, and the ashes of the plant yield sulphate of soda. am'bourine. A musical instrument consisting of a piece of parchment stretched on the top of a hoop, furnished with little bells. In play it is struck by the hand or elbow, and the bells jingled.