According to the Preface can no dictionary of a living tongue ever be perfect?
any living tongue is constantly
changing-adding words, dropping words, changing meanings, and the like
According to the Oxford Dictionary of English, the American Heritage Dictionary and numerous other online sources, the word animal is derived from the Latin animalis- having breath, living, of air (a living being or being that breathes air). Animalis is an adjective that is derived from the noun anima- breath, soul.