/kɒˈspiːsiːz, kɔ-/COH-spih-SEEZ, koh-

Definitions

1. noun

A group of species that share a common ancestor and are more closely related to each other than to other species.

“The biologist studied the cospecies of a particular genus to understand their evolutionary history.”

2. NIL

A single species within a cospecies.

“The new discovery added a new part of the species to the cospecies.”