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.
Updated June 23, 2016. Many Americans mistakenly believe that Veterans Day is the day America sets aside to honor American military personnel who died in battle or as a result of wounds sustained from combat. That's not quite true. Memorial Day is the day set aside to honor America's war dead.