pəˌligəˈnāsēˌē noun plural
Usage: capitalized
Etymology: New Latin, from Polygonum, type genus + -aceae
: a family of herbs, shrubs, or trees (order Polygonales) chiefly of the north temperate zone having mostly entire leaves with stipules forming a sheath round the stem and flowers that are spicate and apetalous and including the buckwheats
• po·lyg·o·na·ceous ̷ ̷| ̷ ̷ ̷ ̷|nāshəs adjective