clade
nounUK /kleɪd/
US /kleɪd/
A clade is a group of living things that all come from the same family tree.
Birds are a clade because they all share a common ancestor.
OTHER MEANINGS
2. A group of organisms believed to have evolved from a common ancestor, in the context of biological classification.
Mammals form a clade that includes humans, whales, and bats.
3. A branch on a phylogenetic tree representing an evolutionary lineage.
Each clade on the tree shows where a new group split off.
4. In linguistics, a group of languages descended from a common ancestral language.
The Romance languages are a clade within the Indo-European family.