1Surrounded or enclosed by wire, in the form of fencing or mesh. Compare "wire", "wired".
2Incorporated into or connected to a device or system by electric wires, frequently for the purpose of performing a specific or unchangeable function.
3Designating behaviour and activity that is innate or is determined by innate and unchanging neural pathways; of or relating to such behaviour.
Mid 19th century; earliest use found in The Poultry Chronicle. From wired + in, after to wire in.