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.
Sir Francis Galton: The father of Eugenics Posted by Matthew McCusker on 15 May 2012 The term 'eugenics', literally meaning 'well-born', was coined by Sir Francis Galton, who may be considered the 'father of eugenics' as he laid the intellectual foundations of the movement and placed his considerable prestige and influence behind practical efforts to further it.