Definition of metamere in English:

metamere

noun

Zoology
  • another term for somite
    • ‘In the vertebrates the metamere is evident in the embryonic stages and tends to disappear in the adults.’
    • ‘An organism is considered metameric when its body is mostly formed of serially repeated anatomical units called metameres.’
    • ‘Any particular abdominal metamere usually consists of only two sclerites, the tergum and sternum.’
    • ‘Rudimentary tracheal metameres invaginate but lack primary branching and interconnections.’
    • ‘The metameres are visible rings on the outside and are separated by partitions on the inside.’

Origin

Late 19th century: from meta- together with + Greek meros part.

Pronunciation

metamere

/ˈmɛtəmɪə/