1. The act of closure or state of being closed.
2. The relationship between all of the components of the masticatory system in normal function, dysfunction and parafunction.
3. Momentary complete closure of some area in the vocal tract, causing stoppage of the breath and accumulation of pressure.
Origin: L. Occlusio
(dentistry) the normal spatial relation of the teeth when the jaws are closed.Closure or blockage (as of a blood vessel).The blocking out of, such as a tree occluding light under its canopy caused by its overhanging branches and leaves.