n. 1. (Physical Geography). a. the inundation of land that is normally dry through the overflowing of a body of water, esp a river. b. the state of a river that is at an abnormally high level (esp in the phrase in flood).
The U.S. Food and Drug Administration (FDA) is an agency of the United States Department of Health and Human Services and is responsible for the safety regulation of most types of foods, dietary supplements, drugs, vaccines, biological medical products, blood products, medical devices, radiation-emitting devices, veterinary products, and cosmetics.
FDA is responsible for assuring that animal drugs and medicated feeds are not only safe and effective for animals, but that food products from treated animals are safe for humans to consume. This safety responsibility includes making sure that drugs used in medicated feed.