Definition of Tail
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.
Last Editorial Review: 8/28/2013
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?