baffle >> /ˈbæfəl/
Definition: [transitive verb] Totally bewilder or perplex.
Example: an unexplained occurrence that baffled everyone
Definition: [transitive verb] Restrain or regulate (a fluid, sound, etc.)
Example: to baffle the noise further, I pad the gunwales
Definition: [noun] A device used to restrain the flow of a fluid, gas, or loose material or to prevent the spreading of sound or light in a particular direction.
Example: you can cut out glare from a strip light by concealing it behind a baffle