occlusion Meaning, Definition & Usage

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

WordNet

Oc*clu"sion noun
Etymology
See Occlude.
Definitions
  1. The act of occluding, or the state of being occluded.
    Constriction and occlusion of the orifice. Howell.
  2. (Med.) The transient approximation of the edges of a natural opening; imperforation. Dunglison.

Webster 1913