See juncture in Webster's New World College Dictionary
noun
a joining or being joined
a point or line of joining or connection; joint, as of two bones, or seam
a point of time
a particular or critical moment in the development of events; crisis
a state of affairs
Linguis. the transition from one speech sound to the next, either within a word, as between (t) and (r) in nitrate (), or marking the boundaries between words, as between (t) and (r) in night rate ()
See juncture in American Heritage Dictionary 4
(jŭngkˈchər)
noun
The act of joining or the condition of being joined.
A place where two things are joined; a junction or joint.
A point in time, especially a critical point. See Synonyms at crisis.
The transition or mode of transition from one sound to another in speech.