1. In agriculture, an instrument for turning up, breaking and preparing the ground for receiving the seed. It is drawn by oxen or horses and saves the labor of digging; it is therefore the most useful instrument in agriculture.
2. The emperor lays hold of the plow and turns up several furrows.
3. When fern succeeds, ungrateful to the plow
4. Figuratively, tillage; culture of the earth; agriculture.
5. A joiner's instrument for grooving.
