koropaepae
1. (verb) (-a,-ngia,-tia) to make a hāngī crown - of grass or fern leaves placed around the top of a hāngī to prevent the food falling off the heated stones.
Ka karia he rua, ka koropaepaea a roto ki te kaponga, ka hoatu ngā kai ki roto, ka kīia tēnā he kōputu kai (W 1971:145). / A hole is dug and the inside is lined with silver fern leaves, the food is placed inside and that is filled with a pile of food.