The term 'A Grotesque Product of the Imagination' can be broken down into three crossword solutions: CHIMERA (7 letters), IDEA (4 letters), and GARGOYLE (8 letters). A CHIMERA is a mythical creature composed of parts from multiple animals, often seen as a symbol of danger or evil. An IDEA is a thought or concept, usually one that is creative or imaginative. A GARGOYLE is a grotesquely carved figure, typically found on the exterior of buildings, used to ward off evil spirits. All three of these terms can be seen as a product of the imagination, and together they form a grotesque image.