the act or state of occluding or the state of being occluded.

Dentistry . the fitting together of the teeth of the lower jaw with the corresponding teeth of the upper jaw when the jaws are closed.

Pathology . closure or blockage of a blood vessel

coronary occlusion.

Phonetics . momentary complete closure at some area in the vocal tract, causing stoppage of the flow of air and accumulation of pressure.

Meteorology .

the formation of an occluded front.

occluded front.

noun

barricade , barrier , block , blockage , blocking , closure , stoppage