Amera
plural noun
Am·era
ˈamərə
in certain classifications
: a major division of invertebrate animals comprising unsegmented more or less wormlike forms (such as Platyhelminthes, Nemathelminthes, and certain Bryozoa) compare oligomera , polymera
Word History
Etymology
New Latin, from a- entry 2 + -mera (from Greek meros part)
First Known Use
1953, in the meaning defined above