\Zo"["o]*spore\, n. [Zo["o]- + spore.]
1. (Bot.) A spore provided with one or more slender cilia, by
   the vibration of which it swims in the water. Zo["o]spores
   are produced by many green, and by some olive-brown,
   alg[ae]. In certain species they are divided into the
   larger macrozo["o]spores and the smaller
   microzo["o]spores. Called also {sporozoid}, and
   {swarmspore}.
2. (Zo["o]l.) See {Swarmspore}.