sting

A sting is a pointed item at the rear of an insect, for defence.

Example: That wasp has a sting!

A sting can also mean a bite by an insect.

Example: I got a sting on my arm.

A sting is a bump on the skin, the result of being stung.

Example: I will show you where I was stung.

A sting is a police operation where they pretend to be criminals in order to catch a criminal.

To sting means to inject venom with a stinger.

Example: That bee stung me.