say it: in-tur-SEK-shuhn
intersection is a noun meaning "a point where lines intersect". It carries 6 recorded senses.
a point where lines intersect
a junction where one street or road crosses another
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”
a representation of common ground between theories or phenomena
“there was no overlap between their proposals”
the act of intersecting (as joining by causing your path to intersect your target's path)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for intersection come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.