Freebase(0.00 / 0 votes)Rate this definition: Tongue. The tongue is a muscular hydrostat on the floors of the mouths of most vertebrates which manipulates food for mastication. It is the primary organ of taste, as much of the upper surface of the tongue is covered in papillae and taste buds.
1. eugenics-the study of methods of improving genetic qualities by selective breeding (especially as applied to human mating). bioscience, life science-any of the branches of natural science dealing with the structure and behavior of living organisms.
Thus, in 1910, Davenport founded the Eugenics Record Office (ERO), which was based at Cold Spring Harbor Laboratory in Long Island, New York. According to a circa 1927 publication released by the ERO, the goal of eugenics was to improve the natural, physical, mental, and temperamental qualities of the human family..