ˌ ̷ ̷ ̷ ̷ˈrā(ˌ)lēz noun plural
Usage: capitalized
Etymology: New Latin, from Piper + -ales
: an order of apetalous dicotyledonous plants constituting the families Piperaceae, Saururaceae, and Chloranthaceae and having simple leaves and minute flowers in spikes with the perianth simple or lacking