1. a person who claims to receive and transmit messages from spiritual entities or the dead
Usage: often used in contexts of spiritualism or New Age beliefs
2. a person or thing that directs or conveys something through a particular route or medium
Usage: general use; less common than the spiritual sense

Examples

• The channeller claimed to speak with the spirit of a famous historical figure.
• She consulted a channeller to try to contact her deceased grandmother.
• The channeller directed the energy through meditation and ritual.
• Many people are skeptical of channellers and their supernatural claims.
• The organization hired a channeller to facilitate communication with spiritual guides.