The term SEAS is composed of four, five, six, and six letter words: OPEN, SEVEN, OCEANS, and WATERS. The first word, OPEN, can refer to a space that is not blocked or filled, or it can refer to something that is accessible or available. The second word, SEVEN, is a number that is one more than six and one less than eight. The third word, OCEANS, refers to the large bodies of salt water that cover much of the Earth's surface. The fourth word, WATERS, is a general term for any body of liquid, such as a lake, river, or sea. Together, these words form the term SEAS, which is an abbreviation for the large bodies of salt water that cover much of the Earth's surface.