What is the meaning of Apprehension?

The physical act of seizing or taking hold of (something); seizing.

The act of seizing or taking by legal process; arrest.

Perception; the act of understanding using one's intellect without affirming, denying, or passing any judgment

Opinion; conception; sentiment; idea.

The faculty by which ideas are conceived or by which perceptions are grasped; understanding.

Anticipation, especially of unfavorable things such as dread or fear or the prospect of something unpleasant in the future.

Source: wiktionary.org