occlusion has definitions from the fields of dentistry,meteorology,medicine
1
[ noun ] (medicine) closure or blockage (as of a blood vessel)

Used in print

(J. W. C. Hagstrom et al., "Debilitating muscular...)

A careful search failed to show occlusion of any of the mesenteric vessels .

2
[ noun ] an obstruction in a pipe or tube

Examples

"we had to call a plumber to clear out the blockage in the drainpipe"

3
[ noun ] (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft

Synonyms

occluded_front

Related terms

front meteorology

4
[ noun ] (dentistry) the normal spatial relation of the teeth when the jaws are closed

Related terms

position dentistry

5
[ noun ] the act of blocking

Synonyms

closure blockage

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