Meaning of occlusion

Definition of occlusion

(noun) closure or blockage (as of a blood vessel)
(meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
(dentistry) the normal spatial relation of the teeth when the jaws are closed
an obstruction in a pipe or tube; "we had to call a plumber to clear out the blockage in the drainpipe"
the act of blocking

Other information on occlusion

WIKIPEDIA results for occlusion
Amazon results for occlusion