1. an introductory statement or section that explains the purpose or background of a document, speech, or law

1. to provide with or serve as an introductory statement
Usage: formal

Examples

• The Constitution begins with a famous preamble that starts ‘We the People.’
• The speaker’s preamble explained the purpose of the meeting.
• After a brief preamble, the professor began the lecture.
• The contract’s preamble outlined the parties involved.
• She preambled her remarks with a personal story.
• The treaty was preambled by a statement of mutual cooperation.