贝斯吉他 bèisījítā bass guitar Definitions Defs Origin Strokes Stroke Words Sentences Sents 贝斯 貝斯 bèisī bass (loanword) bass guitar or double bass; a low-pitched musical instrument. Also written 贝司 bèisi吉他 jítā noun guitar guitar; a plucked musical instrument, often with six strings. Also called a 六弦琴 liùxiánqín.