/ˈspi:ʃi:z ||; ˈspiʃiz/noun [C] (plural species) a group of plants or animals that are all the same and that can breed together （生物的）种: This conservation group aims to protect endangered species. 这个自然保护组织旨在保护濒临绝种的物种。a rare species of frog 一种罕见的青蛙