polymyarian
/ˌpɒlɪmʌɪˈɛːrɪən/Zoology
adjective
Having or characterized by more than five longitudinal rows of muscle cells. Formerly: specifically †of or designating a nematode worm of the former group Polymyarii ( obsolete ).
noun
A polymyarian nematode. rare.
Origin
Late 19th century; earliest use found in The Century Dictionary. From scientific Latin Polymyarii, former group name (A. Schneider Monographie der Nematoden 22; from poly- + ancient Greek μῦς muscle + scientific Latin -arii, plural of -arius: see -ary) + -an.