circumscription

/S ER0 K AH0 M S K R IH1 P SH AH0 N/
noun
  1. 1

    The act of circumscribing or the quality of being circumscribed.

  2. 2

    Anything that circumscribes or a circumscribed area.

  3. 3

    The definition of what does and does not belong to a given taxon, from a particular taxonomic viewpoint or taxonomic system.

    โ€œThe circumscription in the APG system of the family Malvaceae includes the former families Bombacaceae, Sterculiaceae and Tiliaceae.โ€

  4. 4

    An electoral district; used often in texts treating electoral systems in Romance countries.

Source: https://en.wiktionary.org/wiki/circumscription