a tool used for digging, with a long handle and a metal blade. Picklike digging implement, one of the oldest tools of agriculture. It resembles the modern hoe but with a stone or wooden blade rather than a metal one, set at right angles to a long wooden handle. Though large-scale agriculture uses plows, harrows, and rotary hoes that open many rows of a field simultaneously, home gardeners and horticulturists may still use mattocks to loosen dirt and to chop weeds