The Japanese word for violin is
ヴァイオリン

baiorin

Japanese Definition

バイオリン
1. n. (musical instruments) a violin
2. n. Usage: The ヴァイオリン spelling is less common, in part because the (IPAchar, /v/) sound does not exist in native Japanese terms, and many Japanese speakers find this difficult to pronounce.

提琴
1. n. a kind of traditional Chinese stringed instrument played with a bow
Depending on time period and region, this term may refer to the two-stringed tiqin or yehu, or to a sihu with four strings. Generally larger and with a lower range than the erhu.
2. n. (rare) a violin, a fiddle