> as lemmas
jump-lead
jump-lead n.
Brit. 
/ˈdʒʌmpliːd/
, /ˈdʒʌmpliːd/U.S. /ˈdʒəmpˌlid/
each of a pair of leads for conveying electric charge from one car battery to another during a jump start./ˈdʒəmpˌlid/ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > galvanism, voltaism > voltaic or galvanic battery > [noun] > jump start > lead used in
jump-lead1969
1969 Motor 15 Nov. 85 (caption) KL Automotive products Ltd. have introduced two new battery booster cables (jump leads in garage jargon).
1976 Drive Nov. 40/2 Battery jump-leads... Hitch up your car to theirs with these thick, high-current-carrying leads.
1980 Know about your Car (A.A.) 284/1 On an automatic car with a flat battery use jump leads.
<
as lemmas