noun
bassist-vocalist; bass guitarist who also sings
Wasei-eigo term for a musician who plays bass guitar and also handles vocal duties, typically in a band.
wasei-eigo (Japanese-coined English), from bass vocal
彼はバンドでベースボーカルを担当している。
He is the bassist-vocalist in the band.
ベースボーカルが歌いながらベースを弾くのは難しい。
It's difficult for a bassist-vocalist to sing while playing bass.