zoospore
nounA motile flagellated asexually produced spore, as of certain algae, oomycetes, and fungi.
nounIn botany, a spore capable of moving about; a motile spore, or swarmspore.
nounAn animal spore; one of the minute flagelliform bodies which issue from the sporocyst of sporiparous animalcules; a swarm-spore.
nounAlso
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
See
A
an asexual spore of some algae and fungi that moves by means of flagella