1.to block or stop up something such as a passage
2.to cut off or prevent the flow or passage of something such as light or liquid
3.to be in normal contact with another tooth when the mouth is closed, or align the upper and lower teeth for chewing or normal contact
4.to absorb or adsorb a liquid or gas on the surface of or within a solid
5.to form an occluded front, or undercut a mass of warm air so that it is no longer in contact with the Earth's surface
occludes