syrinx

The vocal organ of a bird, consisting of thin vibrating muscles at or close to the division of the trachea into the bronchi.

Same as Pan’s pipes (which see, under pipe).

In Egypt. archæol., a narrow and deep rock-cut channel or tunnel forming a characteristic feature of Egyptian tombs of the New Empire.

In anatomy, the Eustachian tube.

In ornithology, the voice-organ of birds; the lower larynx, situated at or near the bifurcation of the trachea into the bronchi, and serving to modulate the voice, as in singing.

In surgery, a fistula.

In some of the brachiopods, like Syringothyris, a split tubular structure developed from the deltidial plates, lying within the umbonal region of the ventral valve, and inclosing or forming a passage for the pedicle.

A wind instrument made of reeds tied together; — called also pandean pipes.

The lower larynx in birds.