olemus
lühike teisaldatav elektrijuht
elektroonikalülituse püsikommuteerimiseks,
näiteks trükkmooduli konfigureerimiseks

Wiktionary:
3. a short length of electrical conductor, to make a temporary connection
4. (electricity) a removable connecting pin on an electronic circuit board

näiteid
https://cdn.sparkfun.com//assets/parts/2/4/0/7/09044-04-L.jpg

http://irishelectronics.ie/WebRoot/Register365/Shops/950018241/555D/F1EB/FAD0/79F5/2651/C0A8/1910/B14E/C4110_large_jumper_wires_20cm_m-m_pack_10_1.jpg

https://duckduckgo.com/?q=jumper+in+electronics&t=h_&iar=images&iax=images&ia=images

ülevaateid
https://en.wikipedia.org/wiki/Jumper_(computing)