Glossary of Terms:

TS

Tip/Sleeve — A 1/4-inch or 1/8-inch plug or jack with the hot (+) conductor at the tip, and the cold or ground (-) conductor (often the shield of the cable) at the sleeve.

Source: Yamaha

Related terms:   1/4-inch jack   1/4-inch plug   1/8-inch jack   1/8-inch plug   mono