The term 'butter knife' is a common kitchen utensil used for spreading butter, jam, or other condiments. It is usually made of stainless steel and has a rounded blade with a blunt edge. The crossword solution for this term is 'spreader, ' which accurately describes the purpose of the tool. A butter knife is an essential item in any kitchen and is often used to spread condiments on toast, sandwiches, and other food items.