— animalcular /an'euh mal"kyeuh leuhr/ , animalculine /an'euh mal"kyeuh lin/ , animalculous , adj.
/an'euh mal"kyoohl/ , n.
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.
[ 1590-1600; animalculum a small animal. See ANIMAL, -CULE 1 ]