‖ pleurumZool.|ˈplʊərəm| Pl. pleura. [mod.L. variant of pleuron, made to correspond with tergum and sternum.] = pleuron in the specific sense, as applied to Arthropoda. 1898Packard Textbk.Entomol. 87 Each segment consists of the tergum, pleurum, and sternum.