from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An electronic instrument played by moving the hands near its two antennas, often used for high tremolo effects.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An electronic musical instrument that generates sound of varying pitch and volume depending on the proximity of the musician’s hands to two antennae mounted on the instrument.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an electronic musical instrument; melodies can be played by moving the right hand between two rods that serve as antennas to control pitch; the left hand controls phrasing
After Leo Theremin (1896-1993), Russian engineer and inventor.(American Heritage® Dictionary of the English Language, Fourth Edition)
From its inventor Léon Theremin. Theremin is a French surname (compare Russian Термен (Termen)). (Wiktionary)