fang, stump, root of the teeth ☊ 
chân răng ☊ medicinal root slicer, apothecary’s chopper ☊ dao cầu ☊ extract the root (of a number) ☊ khai căn ☊ extract the square root (of a number) ☊ khai phương ☊ to extirpate, eradicate, root something out, to ☊ trừ tiệt ☊ (Buddhism) the root of intelligence ☊ tuệ căn ☊