This is an essay on the structure of the lexicon and the nature of words. It describes their definition, identification, and classification and their forms and meanings, as well as the relationships between them. The book is divided into six chapters. The first covers basic terminological issues (such as lexicon vs. dictionary) and discusses different conceptions of what counts as a word. The second examines the phonetic, morphological, syntactic, and semantic information contained in the lexicon and considers the distinction between lexical information and commonsense knowledge. Chapter 3 goes into more detail about the encoding of meaning in words: after discussing referential, conceptual, prototype and distributional theories of lexical ...