memento /mi-menˈtō/

1. Something kept or given as a reminder
2. A fit of reverie (obsolete)

memento mori /mōˈrī or moˈrē/ noun (Latin)

1. Remember that you must die
2. Anything (eg a skull) to remind one of mortality

• order book
• order books
• ordered
• orderer
• orderers
• order form
• order forms
• order in council
• ordering
• orderings
• orderless
• orderlies
• orderliness
• orderlinesses
• orderly
• orderly bin
• orderly bins
• orderly officer
• orderly officers
• orderly room
• orderly rooms
• order of battle
• order of magnitude
• order of merit
• Order of the Bath