in surgery, a few horse hairs, small threads, or large packthread, drawn through the skin, chiefly the neck, by means of a large needle or probe, with a view to restore or preserve health.

We find by experience, that setons are very useful in catarrhs, inflammations, and other disorders, particularly those of the eyes, as a gutta serena, cataract, and incipient suppuration; to these we may add intense headaches, with stupidity, drowsiness, epilepsies, and even the apoplexy itself.