• (British) enPR jēn’-əs, IPA: /ˈdʒiːnəs/, /ˈdʒɛnəs/
  • (America) enPR: jēn’-əs, IPA: /ˈdʒiːnəs/

genus (plural genera)

  1. (taxonomy) a rank in the classification of organisms, below family and above species; a taxon at that rank
    All magnolias belong to the genus Magnolia''.
    Other species of the genus Bos are often called cattle or wild cattle.
    There are only two genera and species of seadragons.
    • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, New York, N.Y.: Columbia University Press, →ISBN, page 6:
      Müller […] criticized the division of the "Jubuleae" into two families and he cited Jubula as an annectant genus.
  2. A group with common attributes.
  3. (topology, graph theory, algebraic geometry) A natural number representing any of several related measures of the complexity of a given manifold or graph.
  4. (semantics) Within a definition, a broader category of the defined concept.
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