ZOÖSPORE

Zo″ö‐spore (?), n. [[Zoö- + spore.]] 1. 1. (Bot.) A spore provided with one or more slender cilia, by the vibration of which it swims in the water. Zoöspores are produced by many green, and by some olive-brown, algæ. In certain species they are divided into the larger macrozoöspores and the smaller microzoöspores. Called also sporozoid, and swarmspore.
2. 2. (Zoöl.) See Swarmspore.