Sentence:  As used in this Act , the <WSD>term</WSD> ' saline water ' includes sea water , brackish water , and other mineralized or chemically charged water , and the term ' United States ' extends to and includes the District of Columbia , the Commonwealth of Puerto Rico , and the territories and possessions of the United States . 
Meaning of the word marked with <WSD> tags:  a word or expression used for some particular thing