ˌəmˌbiləˈka(a)rēə noun
Usage: capitalized
Etymology: New Latin, from Late Latin umbilicaris umbilical (from Latin umbilicus navel + -aris -ar) + New Latin -ia
: a small genus related to Lecanora and composed of foliose umbilicate lichens that are used especially in folk medicine as a purgative — see rock tripe