Wiktionary(0.00 / 0 votes)Rate this definition: pus(Noun) A whitish-yellow or yellow substance composed primarily of dead white blood cells and dead pyogenic bacteria; normally found in regions of bacterial infection.
Memorial Day is a federal holiday in the United States for remembering the people who died while serving in the country's armed forces.
Date When Celebrated: The last Monday in May. Memorial Day is officially celebrated on the last Monday during the month of May. Memorial Day is dedicated to service men and women who gave their lives for freedom and country. It is also a time to remember loved ones who have passed away. The roots of Memorial Day observance, goes back to 1865 and the end of the Civil War.