A form of trichomoniasis affecting hawks, resulting in a sore with a cheesy secretion in the mouth or throat.
- ‘The former also produce the disease known as canker in pigeons, or frounce in birds of prey, and are treated with anti-protozoal drugs.’
- ‘Raptors may become infected by eating infected birds and in raptors, the disease is often called frounce.’
- ‘Frounce is caused by a protozoan called Trichomonas which is frequently present in the crops of pigeons.’
Late Middle English: of unknown origin.
We take a look at several popular, though confusing, punctuation marks.