kōhua
1. (verb) (-tia) to cook by boiling, boil, poach (cooking).
Ā ka kōhua ai taua hiako ki te wai wera, ā ka inu ai i te wai o taua kōhuatanga, kia kotahi tīpune e inu i te inumanga kotahi, ā kia ono inumanga i te rā kotahi (TW 28/9/1878:480). / And then boil the bark in hot water, then drink the liquid of that infusion, one teaspoon at a time, six times a day.
See also kōhue
2. (noun) pot for boiling food, boiler - traditionally a vessel for boiling food in which heated stones were placed.