lap steel       
noun [ C or U ] uk/ˈlæp ˌstiːl/ us/ˈlæp ˌstiːl/ (also lap steel guitar)
 膝上钢棒吉他,膝上钢弦吉他,膝上钢吉他(参见 pedal steel)
a  pedal steel 
  Mike plays lead guitar and lap steel. 迈克会弹主音吉他和膝上钢棒吉他。 
 They use a lap steel guitar on that track. 他们在那首曲子里用了膝上钢吉他。 
 - More examples
 - We now have a slide guitar, three semi-acoustics, a piano, a lap steel, and an upright bass.
 - He switches instruments, once picking up a banjo and, later, a lap steel guitar.
 - She plays lap steel guitar with her musical partner.