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intersection (n.)

1550s, "act or fact of crossing," from French intersection (14c.) and directly from Latin intersectionem (nominative intersectio) "a cutting asunder, intersection," noun of action from past-participle stem of intersecare "intersect, cut asunder," from inter- "between" (see inter-) + secare "to cut" (from PIE root *sek- "to cut"). In English originally a term in geometry; meaning "crossroads, a place of crossing" is from 1864. Related: Intersectional.

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Definitions of intersection from WordNet

intersection (n.)
a point where lines intersect;
Synonyms: intersection point / point of intersection
intersection (n.)
a junction where one street or road crosses another;
intersection (n.)
a point or set of points common to two or more geometric configurations;
intersection (n.)
the set of elements common to two or more sets;
the set of red hats is the intersection of the set of hats and the set of red things
Synonyms: product / Cartesian product
intersection (n.)
a representation of common ground between theories or phenomena;
Synonyms: overlap / convergence
intersection (n.)
the act of intersecting (as joining by causing your path to intersect your target's path);
From wordnet.princeton.edu