All 3 Uses

juncture
in
Inheritance, by Christopher Paolini
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Instead of the sky and the sea meeting in a straight line—as they ought to and always had before—the juncture between them curved, like the edge of an unimaginably big circle.†
Chpt 47 *
At the juncture between the dragon's neck and back was a saddle much like Saphira's, and on the saddle sat a figure that looked to be Arya, her dark hair streaming from her head.†
Chpt 74
The buildings stood at the juncture where the Az Ragni poured into the Edda, more than doubling its size.†
Chpt 78

Definitions:

(1) (juncture)
where things come together -- especially a point in time with a critical event
(2) (meaning too rare to warrant focus)