柯林斯詞典French horn (French horns) 1. N-VAR A French horn is a musical instrument of the brass family. It is shaped like a long metal tube with one wide end, wound around in a circle. You play the French horn by blowing into it and moving valves in order to obtain different notes. 法國號[oft 'the' N] 返回 French horn劍橋詞典a musical instrument that consists of a long metal tube bent into circles , with a wide opening at one end, played by blowing down the tube and moving the fingers on valves 法國號，圓號 返回 French horn