n. One of the minute motile reproductive bodies produced asexually by certain algae and fungi.
n. One of the minute flagellate germs produced by the sporulation of a protozoan.
the GNU version of the Collaborative International Dictionary of English
n. One of innumerable minute, motile, reproductive bodies, produced asexually by certain algæ and fungi; a zoöspore.
n. One of the minute flagellate germs produced by the sporulation of a protozoan; -- called also zoöspore.
The Century Dictionary and Cyclopedia
n. A naked motile reproductive body produced asexually by certain Fungi and Algæ; a zoöspore. See microcyst.
n. The peculiar gemmule (see gemmule) of sponges; the so-called planula or ciliated sponge-embryo, regarded not as an embryonic body, but as a coherent aggregate of monadiform spores.