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. ...
1. 1  a. Any of various organs or cell groups, such as the adrenal glands and the salivary glands, that are of endothelial origin and secrete a substance that is used or excreted by the body. 2  b. Any of various organs, such as lymph nodes, that resemble true glands but perform a nonsecretory function.