A thin board that forms part of the resonating chamber of a musical instrument and serves to reinforce its sound / A structure that reflects sound towards the intended listeners

Having an elevated or moralistic tone; pompous. / Oratorial, sometimes to the point of sounding contrived.

The technique of using reflected pulses of sound to determine depth or the location of objects (or fish) under water. / A particular measurement made using this technique.

Alternative spelling of sounding board

plural of sounding-board

plural of sounding board

weather balloon

Investigation of the upper atmosphere by use of a radiosonde.

A rod or piece of iron used to ascertain the depth of water in a ship's hold. It is let down in a groove by a pump. / A probe used in urethral sounding

plural of radio sounding