Scab/skæb/ Definition 1 of 4Pro Tip 1/3Healing Indication The word 'scab' is often used to signal that a wound is healing. Her knee was better; a scab indicated the skin was mending. Pro Tip 2/3Don't Remove It's advised not to remove a scab as it can cause scarring or infection. Let the scab fall off naturally to avoid a scar. Pro Tip 3/3Visible Healing 'Scab' conveys the visible process of recovery, often after an injury. The visible scab on her arm showed she was healing from the fall.