Nosebleed/ˈnəʊzbliːd/ Definition 1 of 4Pro Tip 1/2Medical Context Use 'nosebleed' to describe a common minor injury or health issue where blood comes from the nose. She got a nosebleed during the dry winter weather. Pro Tip 2/2Emergency Situations 'Nosebleed' can also indicate a need for medical attention if it's severe or frequent. They called an ambulance when the nosebleed wouldn't stop.