Definition of genus in English:


Syllabification: ge·nus
Pronunciation: /ˈjēnəs

noun (plural genera /ˈjenərə/ or genuses)

  • 1A principal taxonomic category that ranks above species and below family, and is denoted by a capitalized Latin name, e.g., Leo.
    More example sentences
    • The identification of two named genera in a single organism presents a taxonomic dilemma.
    • The cephalochordates include only about twenty species of two genera of organisms commonly called amphioxus.
    • Both the genus and species name of this aggressive flycatcher are from the Latin word for tyrant.
    subdivision, division, group, subfamily
  • 1.1(In philosophical and general use) a class of things that have common characteristics and that can be divided into subordinate kinds.
    More example sentences
    • The subject genus of physics, for example, is the class of cases in which bodies change their locations in space.
    • Aristotle also points out that sometimes the hypothesis of the genus is omitted as too obvious.
    • The main genera of relativism can be distinguished according to the object they seek to relativize.


mid 16th century: from Latin, 'birth, race, stock'.

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a slit made by cutting with a saw