baffle board

English Thesaurus

1. a flat plate that controls or directs the flow of fluid or energy (noun.artifact)

hypernym	:	plate,
definition	:	a sheet of metal or wood or glass or plastic (noun.artifact)

hyponym	:	diffuser, diffusor,
definition	:	baffle that distributes sound waves evenly (noun.artifact)

derivation	:	baffle, regulate,
definition	:	check the emission of (sound) (verb.change)

derivation	:	baffle, regulate,
definition	:	check the emission of (sound) (verb.change)