Pieta (n.)

"representation in painting or sculpture of the seated Virgin holding the body of of the dead Christ in her lap," 1640s, from Italian pieta, from Latin pietatem "piety, pity, faithfulness to natural ties" (see piety). Earlier in English pity was used in this sense (early 15c.)

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Definitions of Pieta from WordNet

pieta (n.)
a representation of the Virgin Mary mourning over the dead body of Jesus;