digger

/D IH1 G ER0/
noun
  1. 1

    A large piece of machinery that digs holes or trenches; an excavator.

  2. 2

    A tool for digging.

  3. 3

    A spade (playing card).

  4. 4

    One who digs.

  5. 5

    A gold miner, one who digs for gold.

  6. 6

    An informal nickname for a friend; used as a term of endearment.

  7. 7

    An Australian soldier.

Source: https://en.wiktionary.org/wiki/digger