Meaning of JUMPER in English

JUMPER

I. jump·er ˈjəm-pər noun

Date: 1611

1. : a person who jumps

2.

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 circuit

3. : any of several jumping animals ; especially : a saddle horse trained to jump obstacles

4. : jump shot

II. jum·per ˈjəm-pər noun

Etymology: probably from English dialect jump jumper

Date: 1850

1. : a loose blouse or jacket worn by workmen

2. : a sleeveless one-piece dress worn usually with a blouse

3. : a child's coverall — usually used in plural

4. chiefly British : sweater 2a

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.