cankers
noun
Definitions
A plant disease marked by gradual decay.
A region of dead plant tissue caused by such a disease.
A worm or grub that destroys plant buds or leaves; cankerworm.
A corroding or sloughing ulcer; especially a spreading gangrenous ulcer or collection of ulcers in or about the mouth.
verb
Definitions
To affect as a canker; to eat away; to corrode; to consume.
To infect or pollute; to corrupt.
To waste away, grow rusty, or be oxidized, as a mineral.
To be or become diseased, or as if diseased, with canker; to grow corrupt; to become venomous.