Dictionary entry

Canker (3)

Webster's Dictionary 1913

Can″ker, v. i. 1. To waste away, grow rusty, or be oxidized, as a mineral.

Silvering will sully and canker more than gliding.

Bacom.

2. To be or become diseased, or as if diseased, with canker; to grow corrupt; to become venomous.

Deceit and cankered malice.

Dryden.

As with age his body uglier grows,

So his mind cankers.

Shak.