Main Entry:

¹jump·er

Pronunciation:

\ˈjəm-pər\

Function:

noun

Date:

1611

1: a person who jumps2 a: any of various devices operating with a jumping motion b: any of several sleds c: a connection used to close a break or cut out part of a circuit3: any of several jumping animals ; especially : a saddle horse trained to jump obstacles4: jump shot