[junc.tion] n [L junction-, junctio, fr. jungere to join--more at yoke] (1711) 1: an act of joining: the state of being joined
2. a: a place or point of meeting b: an intersection of roads esp. where one terminates c: a point (as in a thermocouple) at which dissimilar metals make contact d: an interface in a semiconductor device between regions with different electrical characteristics
3: something that joins -- junc.tion.al adj