DictionaryoccludeBlock or close off
verb

occlude

uh-KLOOD/əˈkluːd/

To block or close off a passage, view, or flow.

The tightly fitted cork occludes the opening of the bottle.

A cork is pressed firmly into bottle neck, visibly blocking the opening, closeup clear mechanics.
Etymology

The pieces combine “against” with “shut,” giving the idea of closing something off. The English verb preserves this physical sense: blocking an opening so that nothing can pass through.

In context

USU Libraries19:54
So, again, we'd occlude vision. All of a sudden, they'd get vision. The handles either there or it's covered.
Datapalooza 2020 Session2

More examples

  • Thick mucus can occlude the small airways.
  • From this angle, the pillar occludes part of the stage.
  • Debris occluded the drain, causing water to back up.

Forms

occlude · occludes · occluded · occluding

occlusion noun — A blockage that prevents passage or flow.

Similar words

block
The everyday alternative for preventing passage, flow, or visibility.
obstruct
Can mean hindering passage without closing it off completely.
clog
Usually describes blockage caused by accumulated material inside a passage.