An intersection was the place where two roads or pathways, such as Jefferies tubes, met. It could also be referred to as the corner of two intersecting streets.
In 2024, Miles O'Brien identified his and Kira Nerys's location to Jadzia Dax as the corner of Polk and California. She replied that she'd meet them there. (DS9: "Past Tense, Part II")
In 2268, Bela Okmyx suggested he and James T. Kirk meet at an intersection at the end of the block, near a yellow fireplug. Kirk agreed after Montgomery Scott located the intersection. (TOS: "A Piece of the Action")