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 (originally called Decoration Day) is observed to honor all US military personnel who have died during all wars and military actions in which the United States haâ¦s been involved. From 1868 until 1970 (103 years) it was observed on May 30.