English edit

Adjective edit

pereional (comparative more pereional, superlative most pereional)

  1. Of or pertaining to a pereion.
    • 1886, Carl Bovallius, Notes on the Family Asellidae, page 51:
      The head is large, almost circular, twice as long as the first pereional segment.
    • 1976, Annals of the South African Museum, volume 69, page 313:
      The most obvious is in the structure of the lateral pereional extensions—bifid in C. australis, single in C. unicornis and C. frigida.
    • 2001, Brian Frederick Kensley, Isopod Systematics and Evolution, page 59:
      Males and females are similar, although the two males examined have the pereional segments more loosely articulated.