noun The act of demonstrating; showing or explaining something. A prisoner's act of beating up another prisoner. (clarification of this definition is needed)
noun A prisoner's act of beating up another prisoner. (clarification of this definition is needed)
noun An event at which something will be demonstrated.
I have to give a demonstration to the class tomorrow, and I'm ill-prepared.
noun Expression of one's feelings by outward signs.
noun A public display of group opinion, such as a protest march.