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.
Memorial Day is a special time to honor the brave men and women who have died in military service for the United States. The day was first enacted to pay tribute to the Union soldiers of the American Civil War and, after World War 1, was used as an umbrella observance for American military personnel who have died in any conflict.