Synonyms for Scarlet Cup (same or very similar meaning)
WordNet sense 1 (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):
Sarcoscypha coccineaFrom the ODE community, based on WordNetadd/edit