The term DELIVER A STERNWINDER can be broken down into two crossword solutions: ORATE (5 letters) and STERNWINDER (10 letters). ORATE is a verb meaning to speak or recite in an elevated style, often with great emotion. STERNWINDER is a type of wind turbine that uses the force of the wind to generate electricity. Therefore, DELIVER A STERNWINDER could mean to give a speech about the benefits of using a sternwinder wind turbine to generate electricity.