.... -- _____ board (Mus.), the part of a stringed instrument against which the _____s press the strings to vary the tone; the keyboard of a piano, organ, etc.; manual. -- _____ bowl or glass, a bowl or glass to hold water for rinsing the _____s at table. -- _____ flower (Bot.), the foxglove. -- _____ grass (Bot.), a kind of grass (Panicum sanguinale) with slender radiating...