Definition of "zoospore" []

• A motile flagellated asexual spore, as of certain algae and fungi. Also called swarm spore. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Once the fish is dead, Pfiesteria reduces its toxin production and feeds on the fish remains either as a swimming stage called a zoospore or as other forms."
• "No. 4 represents a longitudinal section of Potato-stalk with germinating zoospore, the germ-tube of which has pierced the cell-wall, and is growing inside the cell, as shown at +."
• "It is remarkable that Mr. Darwin brings forward in support of gemmule fission, the observation that "Thuret has seen the zoospore of an alga divide itself, and both halves germinate.""