What is the meaning of 琵琶?

pipa (plucked Chinese string instrument) (Classifier: mn-t)

biwa (plucked, fretted pear-shaped Japanese lute with four or, more rarely, five strings)

a place name

a surname

hanja form of 비파 (bipa, lute)

chữ Hán form of tỳ bà/tì bà (pipa (pear-shaped plucked lute) or one of its derivatives (Vietnamese dan ty ba, Japanese biwa, Korean bipa))

Source: wiktionary.org