baffle
Cross references: 1. frustrate 1. baf.fle \'baf-*l\ \-(*-)lin\ \-*l-m*nt\ \-(*-)l*r\ vt or baf.fling [prob. alter. of ME (Sc) bawchillen to denounce, discredit publicly] 1: to defeat or check by confusing : PERPLEX 2a: to check or break the force or flow of by or as if by a baffle 2b: to prevent (sound waves) from interfering with each other (as by a baf fle) - baf.fle.ment n 2. baffle n 1: a plate, wall, screen, or other device to deflect, check or regulate flo w 2: a partition or cabinet to impede the exchange of sound waves between fro nt and back of a loudspeaker
Webster's English Dictionary