1. in man, the part of the body from the neck to the bottom of the spine. 2. in animals, the upper part of the body. of or at the back. the back door. 1. to, or at, the place or person from which a person or thing came.
secrete definition: Secrete is defined as to hide, or to produce and release a liquid. (verb) An example of secrete is to put the house key in a secret location. An example of secrete is for the body to produce sweat. ...
An organism secretes these substances out of the body, where they affect the physiology or behavior of another individual of the same species. They have been demonstrated in insects, where they may function in trail making, sex attraction, development control, and the like.