1. a written message or note, especially one used for communication within an organization
Usage: often shortened to ‘memo’
2. a record of something that should be remembered or considered
Usage: formal
3. an informal diplomatic message or agreement between governments
Usage: diplomatic; formal

Examples

• The manager sent a memorandum to all employees about the new policy.
• Please write a memo summarizing the meeting’s key points.
• The memorandum outlined the company’s safety procedures.
• She kept a memorandum of important phone numbers in her desk.
• The two countries signed a memorandum of understanding.
• The memorandum was distributed to department heads only.
• He drafted a memorandum requesting additional funding for the project.