Definition of genus
generaplay \ˈje-nə-rə\ also
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 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 of genus from the Web
Based on isolated teeth and a bone fragment, the new genus and species was first described by Italian paleontologists in 2006.
This is a hugely useful and varied species of the genus Ocimum, varying in flavors and aromas.
Within the genus are deep reds, bright pinks, whites and bicolors.
Consider Elizabethkingia anophelis—a largely unremarkable microbe named after the pioneering microbiologist Elizabeth O. King, who discovered the genus, and the Anopheles mosquito, in whose gut it was first found in the Gambia.
Zilant, a winged serpent in Tatar mythology, inspired the new genus name.
The researchers analyzed genetic data from a number of Enterococcus species to determine when this genus originated.
Aloe as a genus originates in sub-Saharan Africa, Madagascar and the Arabian Peninsula.
Two horns sat on its skull right behind the eyes, giving it a very Zuul-like look that inspired the genus name.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'genus'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
GENUS Defined for English Language Learners
Definition of genus for English Language Learners
biology : a group of related animals or plants that includes several or many different species
GENUS Defined for Kids
Definition of genus for Students
: a group of related living things (as plants or animals) that ranks below the family in scientific classification and is made up of one or more species
Medical Definition of genus
: 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
Seen and Heard
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