SAT (SATs plural) The SAT is an examination which is often taken by students who wish to enter a college or university. SAT is an abbreviation for `Scholastic Aptitude Test'. (AM) n-proper Sat. Sat. is a written abbreviation for Saturday. sat. Sat is the past tense and past participle of sit.
Secrete is defined as to hide, or to produce and release a liquid. 1  An example of secrete is to put the house key in a secret location. 2  An example of secrete is for the body to produce sweat.
Secretion, in biology, production and release of a useful substance by a gland or cell; also, the substance produced. In addition to the enzymes and hormones that facilitate and regulate complex biochemical processes, body tissues also secrete a variety of substances that provide lubrication and moisture.