what is a genus in science
LINK / CITE ADD TO WORD LIST. noun. The definition of a genus is a class of items such as a group of animals or plants with similar traits, qualities or features. An example of a genus is all the species of mushrooms that are part of the Amanita family.INK / CITE ADD TO WORD LIST. noun. The definition of a genus is a class of items such as a group of animals or plants with similar traits, qualities or features. An example of a genus is all the species of mushrooms that are part of the Amanita family.