the GNU version of the Collaborative International Dictionary of English
n. Memory.
The Century Dictionary and Cyclopedia
n. A shrine or reliquary containing relics of some martyr or martyrs. In primitive times it was customary to carry the memoria in religious processions.
n. A church or chapel built in memory of a martyr or confessor, often over his tomb.
Word Usage
"If I understand correctly, and sometimes I don't (!), the memoria is the part of the documentation that covers the value of the property when sold."