1》 the action or process of displacing.
2》 the amount by which a thing is moved from a position.
3》 the volume or weight of water that would fill the volume displaced by a floating ship, used as a measure of the ship's size.
4》 the volume swept by a reciprocating system, as in a pump or engine.
5》 Physics the component of an electric field due to free separated charges, regardless of any polarizing effects.
6》 Psychoanalysis the unconscious transfer of an intense emotion from one object to another.