Definition of highways:
(n) :
A main public road, especially a multi-lane, high-speed thoroughfare.
(n) :
(law, rail transport) Any public road for vehicular traffic.
(n) :
(figurative) A way; a path that leads to a certain destiny
(v) :
To travel on a highway
(n) :
(computing) Synonym of bus (“common connection for two or more circuits or components”).
(n) :
(archaic) A road that is higher than the surrounding land and has drainage ditches at the sides.