Found 2 items, similar to animalcule.
English → English (WordNet) Definition: animalcule animalcule n : microscopic organism such as an amoeba or paramecium [syn: animalculum]
English → English (gcide) Definition: Animalcule Animalcule \An`i*mal"cule\, n. [As if fr. a L. animalculum, dim. of animal.] 1. A small animal, as a fly, spider, etc. [Obs.] --Ray. [1913 Webster] 2. (Zo["o]l.) An animal, invisible, or nearly so, to the naked eye. See Infusoria. [1913 Webster] Note: Many of the so-called animalcules have been shown to be plants, having locomotive powers something like those of animals. Among these are Volvox, the Desmidiac[ae], and the siliceous Diatomace[ae]. [1913 Webster] Spermatic animalcules. See Spermatozoa. [1913 Webster]