American Dictionary of the English Language

THRUSH, noun

1. A bird, a species of Turdus, the largest of the genus; the Turdus viscivorus or missel-bird.

2. An affection of the inflammatory and suppurating kind, in the feet of the horse and some other animals. In the horse it is in the frog.

3. In medicine, (Latin apthoe, ) ulcers in the mouth and fauces.