genus

noun

ge·​nus ˈjē-nəs How to pronounce genus (audio) ˈje- How to pronounce genus (audio)
plural genera ˈje-nə-rə How to pronounce genus (audio) also genuses
1
: a class, kind, or group marked by common characteristics or by one common characteristic
specifically : a category of biological classification ranking between the family and the species, comprising structurally or phylogenetically (see phylogenetic sense 2) related species or an isolated species exhibiting unusual differentiation, and being designated by a Latin or latinized capitalized singular noun
2
: a class of objects divided into several subordinate species

Examples of genus in a Sentence

the crime novel, written from the criminal's perspective, is sometimes seen as a particular species of the detective story genus
Recent Examples on the Web The giant kangaroos are from the genus Protemnodon, and would have demonstrated more variability in shape, range and hopping method than researchers previously thought, according to a statement from Flinders University in South Australia. Jack Guy, CNN, 15 Apr. 2024 The two specimens also belong to a new genus and species named Feredocodon chowi. Laura Baisas, Popular Science, 4 Apr. 2024 Frequently Asked Questions about CBD Oil What is CBD? Cannabidiol, or CBD, is a chemical compound naturally found in the genus of plants known as cannabis. Cbd Scout, Discover Magazine, 3 Apr. 2024 Colden was the first in America to employ the system, which assigns a genus and species to each plant. Jessica Damiano, San Diego Union-Tribune, 24 Mar. 2024 For example, within just this group of treefrogs (genus Scinax), six new Amazonian species were unveiled between 2014 and 2018 during remote field expeditions. Scott Travers, Forbes, 24 Feb. 2024 The American counterpart to the Tsetse fly, which causes African sleeping sickness, kissing bugs bear a parasite from the same genus (Trypanosoma) in their feces. Cody Cottier, Discover Magazine, 29 Feb. 2024 Full sun Soil Type: Well-draining Soil pH: 5.5-6.5 (slightly acidic) Salvia is a huge genus of plants that includes annuals like scarlet sage and perennials like Russian sage; some start to bloom in spring and others later in summer. Southern Living Editors, Southern Living, 14 Feb. 2024 Onions, garlic, leeks and chives all belong to the plant genus Allium and are dangerous for dogs and cats, says Diana Watkins, a veterinarian and owner of 143 Veterinary Services in Cohasset, Massachusetts. Clare Mulroy, USA TODAY, 29 Jan. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'genus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Latin gener-, genus birth, race, kind — more at kin

First Known Use

1551, in the meaning defined at sense 1

Time Traveler
The first known use of genus was in 1551

Dictionary Entries Near genus

Cite this Entry

“Genus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genus. Accessed 26 Apr. 2024.

Kids Definition

genus

noun
ge·​nus ˈjē-nəs How to pronounce genus (audio)
plural genera ˈjen-ə-rə How to pronounce genus (audio)
: a category of classification in biology that ranks between the family and the species, contains related species, and is named by a capitalized noun formed in Latin

Medical Definition

genus

noun
plural genera ˈjen-ə-rə How to pronounce genus (audio)
: a class, kind, or group marked by common characteristics or by one common characteristic
specifically : a category of biological classification ranking between the family and the species, comprising structurally or phylogenetically related species or an isolated species exhibiting unusual differentiation, and designated by a Latin or latinized capitalized singular noun

More from Merriam-Webster on genus

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