What is the meaning of Occlusion?

The process of occluding, or something that occludes.

Anything that obstructs or closes a vessel or canal.

The alignment of the teeth when upper and lower jaws are brought together.

An occluded front.

A closure within the vocal tract that produces an oral stop or nasal stop.

The absorption of a gas or liquid by a substance such as a metal.

The blocking of the view of part of an image by another.

occlusion

Source: wiktionary.org