zooid noun. ['zǝʊɔɪd] M19.
[from ZOO- + -OID.]
Chiefly Zoology. An animal arising from another by budding or division; esp. each of the individuals which make up a colonial organism and often have different forms and functions. Formerly also, a motile cell. Cf. ZOON noun.

■ zo'oidal adjective L19.

■ zooidi'ogamous adjective = PLANOGAMETIC L19.

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