sarcoscypha coccinea: a discomycete that is a harbinger of spring; the fruiting body is thin and tough and saucer-shaped (about the size of quarter to a half dollar) with a deep bright red upper surface and a whitish exterior
discomycete: any fungus that is a member of the subclass Discomycetes
relativistic mass: (physics) the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than 1 and that increases as the magnitude of the velocity increases