A disease incident to trees, which causes the bark to rot and fall .

A popular name of certain small eroding ulcers in the mouth, particularly of children. They are generally covered with a whitish slough.

A virulent, corroding ulcer; or any thing that corrodes, corrupts or destroys. Sacrilege may prove an eating canker. And their word will eat as doth a canker. 2 Timothy 2:17.

An eating, corroding, virulent humor; corrosion.

A kind of rose, the dog rose.

In farriery, a running thrush of the worst kind; a disease in horses feet, discharging a fetid matter from the cleft in the middle of the frog.

To grow corrupt; to decay, or waste away by means of any noxious cause; to grow rusty, or to be oxydized, as a metal.