To pierce or to wound (somebody) with a pointed tool or weapon, especially a knife or dagger.

“If you stab him in the heart he won't live long enough to retaliate.”

To thrust in a stabbing motion.

“to stab a dagger into a person”

To recklessly hit with the tip of a pointed object, such as a weapon or finger (often used with at).

“He stabbed at my face with the twig but luckily kept missing my eyes.”

An incident in which a person is stabbed.

“A stabbing took place in the alley last night.”

(of pain) Sharp, intense.

“Too much running gives me a stabbing pain in the chest.”