The Cratylus has puzzled many readers with its lengthy discussion of the 'true meanings' of more than a hundred Greek names. This book aims to give a coherent interpretation of the whole dialogue, paying particular attention to these etymologies. The book discusses the rival theories of naming offered by Cratylus, Hermogenes, and Socrates, arguing that Socrates presents a prescriptive theory, laying down what names should be, rather than describing what they are. This distinction between prescriptive and descriptive theories is elaborated and used to illuminate the etymologies...