1. The grievance complained of; the substantial cause of the action; also, in general, the ground or essence of a complaint. Bouvier

Encyclopedia: Gravamen

• family Portulacaceae
• family Portunidae
• family Potamogalidae
• family Potamogetonaceae
• family practice
• family Priacanthidae
• family Primulaceae
• family Pristidae
• family Procaviidae
• family Procellariidae
• family Procyonidae
• family Proteaceae
• family Proteidae
• family Prunellidae
• family Pseudococcidae
• family Pseudomonodaceae
• family Psilophytaceae
• family Psilotaceae
• family Psittacidae
• family Psocidae
• family Psophiidae
• family Psychodidae
• family Psyllidae
• family Pteridaceae
• family Pteriidae