The answer to the crossword for the term 'Cabinet Head: Abbr.' is SECY, which stands for Secretary. The Secretary is the head of the Cabinet, which is a body of high-ranking government officials appointed by the President of the United States. The Cabinet advises the President on matters of policy and helps to ensure that the President's policies are implemented. The Secretary is responsible for managing the day-to-day operations of the Cabinet and ensuring that the Cabinet works together to achieve the President's goals.