Noun | 1. | Piperaceae - tropical woody vines and herbaceous plants having aromatic herbage and minute flowers in spikelets dicot family, magnoliopsid family - family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination order Piperales, Piperales - Piperaceae; Saururaceae; Chloranthaceae genus Piper, Piper - type genus of the Piperaceae: large genus of chiefly climbing tropical shrubs genus Peperomia - large genus of small tropical usually succulent herbs |