noun, plural: zooids
(1) A cell capable of spontaneous movement and can live independently or apart from the parent organism.
(2) An animal or organism in inferior developmental stages; an organism in intermediate form.
(3) An organism from a colony forming group of animals, such as anthozoa, hydroidea and bryozoa in which their mouth and alimentary canal are not highly developed.
Of, pertaining to, relating to, or resembling an animal; zooidal.
Word origin: Greek zôion animal + from Greek -oeides, from eidos form