py·re·no·car·pe·ae \ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈkärpēˌē\noun plural Usage: capitalized Etymology: New Latin, from pyren- + -carpeae (from -carpus -carpous) in some classifications: a group of lichens comprising those whose fruiting body is closed — compare gymnocarpeae