What is the meaning of Stab?

An act of stabbing or thrusting with an object.

A wound made by stabbing.

Pain inflicted on a person's feelings.

An attempt.

Criticism.

A single staccato chord that adds dramatic impact to a composition.

A bacterial culture made by inoculating a solid medium, such as gelatin, with the puncture of a needle or wire.

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

To thrust in a stabbing motion.

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

To cause a sharp, painful sensation (often used with at).

To injure secretly or by malicious falsehood or slander.

To roughen a brick wall with a pick so as to hold plaster.

To pierce folded sheets, near their back edges, for the passage of thread or wire.

To guide the end of a pipe into a coupling when making up a connection.

The horizontal or vertical stabilizer of an aircraft.

Clipping of established.

Clipping of establishment.

staff

(interrogative) what thing?, by what means?

thing (plural: stab)

a staff

a stick

Source: wiktionary.org