Zoology an animal arising from another by budding or division, especially each of the individuals which make up a colonial organism and typically have different forms and functions
【动】（群体动物中的一个）个虫, 个员。
派生词
zooidal
/zəʊˈɔɪdəl/adjective
词源
mid 19th cent.: from ZOO- 'relating to animals' + -OID.