The term AMU DARYA refers to the Amu Darya river, which is a major river in Central ASIA. It is also known as the Oxus River and is the longest river in the region. It originates in the Pamir Mountains of Tajikistan and flows through Afghanistan and Turkmenistan before emptying into the ARAL Sea. The two crossword solutions for this term are ARAL (4 letters) and ASIA (4 letters). ARAL is a reference to the ARAL Sea, which is the body of water into which the Amu Darya empties. ASIA is a reference to the continent in which the Amu Darya is located.