1. having hollow stems, broad leaves, and large plumelike terminal panicles. 2. The stalk of any of these plants. 3. reed for making baskets. 4. A primitive wind instrument made of a hollow reed stalk. 5. A flexible strip of cane or metal set into the mouthpiece or air opening of certain instruments to produce tone by vibrating in response to a stream of air. 6. An instrument, such as an oboe or a clarinet, that is fitted with a reed. 7. A narrow, movable frame fitted with reed or metal strips that separate the warp threads in weaving. 8. A reeding.