ˈfragmə noun
( plural phragma·ta -məd.ə, -mətə ; also phragmas )
Etymology: New Latin, from Greek phragma fence, from phrassein, phrattein to enclose, fence in — more at farce
1. : a septum or partial diaphragm ; especially : an infolded part or inwardly extending process of the walls of the thorax of an insect or other arthropod
2. : a false dissepiment in a plant ovary