1. plural of canker: ulcerous sores in the mouth or on lips
Usage: medical
2. plural of canker: plant diseases that cause decay in bark, stems, or branches
Usage: botanical
3. plural of canker: sources of corruption or evil that spread destructively
Usage: figurative

1. third person singular present of canker: becomes infected with canker; corrupts or destroys gradually

Examples

• The dentist treated several painful cankers in her mouth.
• Apple trees in the orchard developed cankers on their branches.
• The corruption cankers spread throughout the organization.
• Poor nutrition cankers the body's ability to fight disease.
• These social problems are cankers that weaken our community.
• The disease cankers the plant tissue, causing it to die.
• Untreated cankers can lead to serious oral health problems.