Meaning

noun ligament made of metal and used to fasten things or make cages or fences etc

noun a metal conductor that carries electricity over a distance

noun the finishing line on a racetrack

originFrom Middle English wir, wyr, from Old English wīr (“wire, metal thread, wire-ornament”), from Proto-Germanic *wīraz (“wire”), from Proto-Indo-European *weh₁iros (“a twist, thread, cord, wire”), from *weh₁y- (“to turn, twist, weave, plait”).

Etymology from Wiktionary, CC BY-SA 3.0