The term LARGE WEIGHTY BOOK can be summarized as a 'TOME', which is a four-letter word. A TOME is a large and heavy book, usually containing a lot of information or knowledge. It is often used to refer to an authoritative work on a particular subject, such as a book of law or a book of religious scripture. Tomes are often seen as symbols of wisdom and knowledge, and are often associated with academia and the pursuit of knowledge.