Definition of metaorganism in English:

metaorganism

Pronunciation /ˈmɛtəˌɔːɡənɪz(ə)m/ /ˈmɛtəˌɔːɡ(ə)nɪz(ə)m/

noun

  • An entity, especially a social group, formed by the aggregation of a number of individual organisms. Compare "body", "organism".

Origin

Mid 19th century (in an earlier sense). From meta- + organism.