All mammals: 1  Are vertebrates (which means they have a backbone The column of bones (spine) in the back of many animals. 2  It supports the body. 3  An animal with a backbone is called a vertebrate. or spine A stiff, sharp projection on an animal; another word for quill.
Television presenter. A presenter is a person who introduces or hosts television programs (or segments thereof such as an infomercial advertiser).
Definition of host. 1  1a : one that receives or entertains guests socially, commercially, or officially were greeted at the door by our host ourself will mingle with society and play the humble host â William Shakespeareb : one that provides facilities for an event or function our college served as host for the basketball tournament.