PROTOZOON Meaning of PROTOZOON in English ˌprōd.əˈzōˌän, -ōtəˈ- noun( plural protozoa )Etymology: New Latin, singular of Protozoa : protozoan• pro·to·zo·on·al | ̷ ̷ ̷ ̷|zōən ə l adjective Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012