Library carrels are basically small desks that are found in libraries. They are typically used for studying and provide a private workspace for library patrons. The term 'library carrel' is derived from the French word 'carrelage, ' which means 'enclosed space.' Library carrels are usually made of wood or metal and are often equipped with shelves, drawers, and other storage compartments. The crossword solution for the term 'library carrel' is 'DESK, ' which is a four-letter word.