Bible Dictionaries
Animalcule

Webster's Dictionary

(1):

(n.) A small animal, as a fly, spider, etc.

(2):

(n.) An animal, invisible, or nearly so, to the naked eye. See Infusoria.

Bibliography Information
Webster, Noah. Entry for 'Animalcule'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​a/animalcule.html. 1828.