stabber

noun

1. a wound made by piercing with a knife, dagger, or other pointed weapon
2. a thrust, as with a knife or dagger
3. a sudden sensation of anguish or pain

Origin: ME stabbe, prob. < stobbe, var. of stubbe, stub

transitive verb stabbed, stabbing

1. to pierce or wound with or as with a knife, etc.
2. to thrust or plunge (a knife, etc.) into something
3. to go into in a sharp, thrusting way

intransitive verb

1. to make a thrust or piercing wound with or as with a knife
2. to feel like a knife stabbing: said of pain