baffle

transitive verb baffled, baffling

1. to confuse so as to keep from understanding or solving; puzzle; confound
2. to interfere with; hinder; impede
3. to check the interference of (low-frequency sound waves) in a radio, phonograph, etc. by the use of a baffle

noun

1. Rare a baffling or being baffled
2. an obstructing device, as a wall or screen to hold back or turn aside the flow of liquids, gases, etc.
   also baffleplate
3. a mounting or partition used to check the transmission of sound waves between the front and rear of the speaker of a radio, phonograph, etc.