noun

• A large piece of machinery that digs holes or trenches.
• A tool for digging.
• A spade (playing card).
• One who digs.
• (Australia, obsolete) A gold miner, one who digs for gold.
• (Australia, informal) An Australian soldier.
• (Australia, dated, by extension) a friendly term of address, especially to a man.
• A soldier from Australia or New Zealand.
• (historical) One of a group of Protestant English agrarian communists, begun by Gerrard Winstanley as "True Levellers" in 1649.
• (obsolete, derogatory) One of a degraded tribe of California Native Americans who dug up roots for food.
• (Internet) A user of the American news aggregator Digg.