keytar

plural keytars

1. entertainmentA relatively lightweight keyboard or synthesizer supported by a strap around the neck and shoulders, as a guitar is supported by a guitar strap.

   He had titled his most recent album “Future Shock,” and he looked the part, with a keytar slung over a black leather jacket and a reflective silver shirt.

   2016 February 8, Nate Chinen, “Two Turntables and a Keytar: The Night Herbie Hancock Rocked the Grammys”, in The New York Times

   1 more example

   Not only did we get to watch them jump around doing metal faces and scissor kicks while playing matching keytars in a fog of smoke, but afterward, when we went back to their studio to shoot them some more, the band started casually jamming out, singing beautiful country folk songs and making songs up on the spot in perfect four-part harmony.

   2011 August 11, Amy Kellner, “Auto-Tuned Gregory Brothers Serenade The Times”, in The New York Times