Artificial intelligent assistant

pleurum

pleurum Zool.
  (ˈplʊərəm)
  Pl. pleura.
  [mod.L. variant of pleuron, made to correspond with tergum and sternum.]
  = pleuron in the specific sense, as applied to Arthropoda.

1898 Packard Textbk. Entomol. 87 Each segment consists of the tergum, pleurum, and sternum.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 8d37b525fe3016025dfca2a1b5401aed