Definition of metazoan in English:

metazoan

noun

Zoology
  • An animal of the Metazoa division.

    • ‘Sponges and diploblasts (cnidarians and ctenophores) are basal to the triploblastic metazoans.’
    • ‘Early metazoan evolution, prior to the emergence of the clade that gave rise to crown taxa, involved a number of innovations.’
    • ‘It even remained unclear if Porifera share one common ancestor with other metazoan phyla.’
    • ‘Conflicting evidence on the position of brachiopods in metazoan phylogeny exists.’
    • ‘Extrapolating from these studies and from comparisons of the morphology of epithelia in lower metazoans, I propose how epithelia arose in the stem metazoan.’

adjective

Zoology
  • Relating to or denoting metazoans.

    • ‘Proof of such genes would require complete genome sequences of representatives from each of the basal metazoan phyla.’
    • ‘In recent years, much progress has been made in understanding of the evolution of metazoan developmental mechanisms.’
    • ‘Conflicting evidence on the position of brachiopods in metazoan phylogeny exists.’
    • ‘They remain the most mysterious parts of metazoan history.’
    • ‘Dashed lines represent an amalgam of three conservative estimates of the inferred metazoan phylogeny.’

Pronunciation:

metazoan

/ˌmɛtəˈzəʊən/