Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act, process, or result of intersecting.
  • n. A place where things intersect, especially a place where two or more roads cross.
  • n. Mathematics The point or locus of points where one line, surface, or solid crosses another.
  • n. Mathematics A set that contains elements shared by two or more given sets.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The junction of two (or more) paths, streets, highways, or other thoroughfares.
  • n. The point or set of points common to two geometrical objects (such as the point where two lines meet or the line where two planes intersect).
  • n. The set containing all the elements that are common to two or more sets.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act, state, or place of intersecting.
  • n. The point or line in which one line or surface cuts another.

from The Century Dictionary and Cyclopedia

  • n. The act of intersecting; a cutting or dividing, or cutting across: as, the intersection of a map by lines of latitude and longitude.
  • n. A place of crossing; specifically, a point common to two lines or a line and a surface, or a line common to two surfaces: as, a house at the intersection of two roads; the intersection of two geometrical lines or figures.
  • n. In logic, the relation of two classes each of which partly excludes and partly includes the other.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a point where lines intersect
  • n. a junction where one street or road crosses another
  • n. a representation of common ground between theories or phenomena
  • n. the act of intersecting (as joining by causing your path to intersect your target's path)
  • n. a point or set of points common to two or more geometric configurations
  • n. the set of elements common to two or more sets

Etymologies

From Latin intersectiō. (Wiktionary)

Examples

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