Noun
(music, uncountable) A method of playing slide guitar using a steel (a kind of slide).
(music, countable) Any of several types of guitar designed to be played using this method.
Source: en.wiktionary.orgThere's just not a lot of guys around playing like that these days; a lot of steel players are plugging into stomp boxes, trying to sound like Jeff Beck on a steel guitar. John Fogerty
Alvino Rey was an artist who took this instrument to a wide audience in a large orchestral setting and later developed the pedal steel guitar for Gibson. Source: Internet
Also, the term steel guitar does not describe what the guitar itself is made out of. Source: Internet
In 1946, Merle Travis commissioned steel guitar builder Paul Bigsby to build him a solid-body Spanish-style electric. citation Bigsby delivered the guitar in 1948. Source: Internet
In 1988, Ken Paquette, a Wisconsin fan of the 1950s era, erected a stainless-steel monument depicting a steel guitar and a set of three records bearing the names of each of the three performers killed in the accident. Source: Internet
Instruments A steel guitar is one designed to be played in steel-guitar fashion. Source: Internet