Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Tail

Medically reviewed by Min Clinic Staff | Updated: January 2026

Tail: 1. A slender appendage, such as the tail of the pancreas. 2. The appendage that protrudes from the buttocks of animals. People can appear to have a tail due to the presence of supernumerary segments of the coccyx.