The term 'woodwind instrument' can be summarized by the crossword solution of 'CLARINET, ' which is an 8-letter word. The CLARINET is a single-reed woodwind instrument that is widely used in classical, jazz, and folk music. It has a cylindrical bore and a conical bell shape, and is typically made of African blackwood. The CLARINET is known for its wide range of tones and its ability to blend with other instruments.