I believe the word you are looking for is "embouchure". This refers to how the instrument is held in/on your mouth and how the sound is produced.
A stylus is a pen-shaped instrument.
An ocarina is a potato-shaped instrument; blowing into the hole in one end produces a warm whistle sound a lot like the recorder or the old tonettes. There are holes drilled in the hollow body which, when covered by the fingers, change the pitch. One can learn to play melodies.
an instrument
triangle
eolith?
No, a boomerang is a V (boomerang) shaped bird hunting device originally used by the Aboriginals indigenous to Australia
No. Trombone is part of the brass family, even if it has valves. A woodwind instrument will most likely have a reed while brass instruments have cone-shaped mouthpieces.
A stylus is a pen-shaped instrument.
The main thing is a sax is a woodwind instrument, played by using a reed, and trumpet is a brass instrument, using a cup shaped mouthpiece with no reed. Also, the trumpet has (normally) 3 valves, where as a sax has 10 or 12 keys (don't know exactly).
An ocarina is a potato-shaped instrument; blowing into the hole in one end produces a warm whistle sound a lot like the recorder or the old tonettes. There are holes drilled in the hollow body which, when covered by the fingers, change the pitch. One can learn to play melodies.
an instrument
Kazoo
Crescent-shaped. (or, for you kidnap players, horseshoe-shaped.) :]
triangle
eolith?
The national instrument of greece is the bouzouki, a string instrument with a pear-shaped body and long neck. Played with a pick
mandolin