Double reed and Vibrating reed

Double reed noun - A pair of joined reeds that vibrate together to produce the sound in some woodwinds.

Vibrating reed and double reed are semantically related. In some cases you can use "Vibrating reed" instead a noun phrase "Double reed".

Vibrating reed noun - A vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it.

Double reed and vibrating reed are semantically related. Sometimes you can replace phrase "Double reed" with "Vibrating reed", this phrases are similar.