zoon

noun, plural zo·a [zoh–uh] /ˈzoʊ ə/. Biology Rare.

1. any of the individuals of a compound organism.
2. any individual, or the individuals collectively, produced from a single egg.
3. zooid.

1. a combining form meaning “animal,” “organism” of the kind specified by the initial element, often corresponding to zoological class names ending in -zoa, with -zoon used to name a single member of such a class: protozoon.

noun plural zoa (ˈzəʊə) or zoons

1. a less common term for zooid (def. 1)

n combining form

1. indicating an individual animal or an independently moving entity derived from an animalspermatozoon

n.

1864, from Greek zoion “animal” (see zoo).

suff.

1. Animal; independently moving organic unit:spermatozoon.