e/Stop action magnet

Information
has gloss	eng: The stop action magnet, usually abbreviated to SAM, is an electromagnetic device used for the control of pipe organs and virtual pipe organs, and forms part of the organ's combination action. On a classical organ the device may be referred to as a drawstop solenoid. The SAM can be considered as an electrical relay, the difference being that the SAM also has a drawknob or a tab, which enables it to be operated manually as well as electrically.
lexicalization	eng: Stop action magnet
instance of	(noun) a free-reed instrument in which air is forced through the reeds by bellows reed organ, harmonium, organ