1. a minute or microscopic animal, nearly or quite invisible to the naked eye, as an infusorian or rotifer.
  2. Archaic. a tiny animal, as a mouse or fly.

noun plural -cules or -cula (-kjʊlə)

  1. a microscopic animal such as an amoeba or rotifer

“very small animal,” especially a microscopic one, 1590s, from Late Latin animalculum, diminutive of Latin animal (see animal (n.)). Related: Animalcular.

51 queries 0.599