Definition of "configuration"

The form of a thing, as depending on the relative placement of the parts of a thing's shape.  examples

The relative positions of a set of things; the way things are arranged or put together;

1. (astrology) The aspect of the planets; the face of the horoscope, according to the relative positions of the planets at any time.

(countable, physics, chemistry) The arrangement of electrons in an atom, molecule, or other physical structure like a crystal.  examples

(countable, algebra) A finite set of points and lines (and sometimes planes), generally with equal numbers of points per line and equal numbers of lines per point.  examples

(countable, computing) The way a computing environment (physical or software) is set up or customized to the needs of its users.  examples

(uncountable, computing) The process of customizing a computing environment in this way.  examples