syrinx

n.; pl. Syringes [ NL., from Gr. &unr_; a pipe. ] 1. (Mus.) A wind instrument made of reeds tied together; -- called also pandean pipes. [ 1913 Webster ]

2. (Anat.) The lower larynx in birds. [ 1913 Webster ]

☞ In birds there are two laringes, an upper or true, but voiceless, larynx in the usual position behind the tongue, and a lower one, at or near the junction of the trachea and bronchi, which is the true organ of the voice. [ 1913 Webster ]