Definitions

1. verb

to shut off or close the flow of something (such as air or light), especially by covering or blocking it

“The clouds occluded the sunlight, casting a shadow over the city.”

2. verb

to conceal or hide something, especially a truth or fact

“The company tried to occlude the true cause of the accident from the public.”

3. noun

something that closes or blocks the flow of something (such as air or light)

“The occlude of the chimney caused the fireplace to produce a lot of smoke.”