me·mo·ri·al 
(mə-môrē-əl)
(mə-môrē-əl)n.
1. Something, such as a monument or holiday, intended to celebrate or honor the memory of a person or an event.
2. A written statement of facts or a petition presented to a legislative body or an executive.
adj.
1. Serving as a remembrance of a person or an event; commemorative.
2. Of, relating to, or being in memory.
[Middle English, from Old French, from Late Latin memoriāle, from neuter of Latin memoriālis, belonging to memory, from memoria, memory; see MEMORY.]
me·mori·al·ly adv.