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. ...
2. endocrine-any of the glands of the endocrine system that secrete hormones directly into the bloodstream. ductless gland, endocrine gland. gland, secreter, secretor, secretory organ-any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream.