1. a place, person, or thing from which something comes or can be obtained
2. a book, document, or other material that provides information for research or study
3. the beginning or cause of something

1. to obtain from a particular source

Examples

• The library is a good source of information for your research paper.
• Solar panels convert sunlight into a renewable energy source.
• The journalist refused to reveal her source for the story.
• We need to source these materials from a reliable supplier.
• The source of the river is high in the mountains.
• Stress can be a major source of health problems.
• Please cite your sources at the end of your essay.
• The company sources its coffee beans directly from farmers.