1. the musical sounds made by birds, especially as heard in nature

Examples

• The morning birdsong woke me up at dawn.
• She loved listening to the beautiful birdsong in the garden.
• The forest was filled with the cheerful birdsong of robins and sparrows.
• Birdsong is often used in nature documentaries to create a peaceful atmosphere.
• The composer tried to imitate birdsong in his symphony.
• We sat quietly on the porch, enjoying the evening birdsong.