from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A person or animal that digs: a digger of gardens; a digger for information.
- n. A tool or machine used for digging or excavating.
- n. Informal A soldier from Australia in World War I and World War II.
- n. Informal A soldier from New Zealand in World War I.
- n. Offensive Used as a disparaging term, especially in the 19th century, for a member of any of various Native American peoples of the Great Basin, such as the Utes, Paiutes, and Western Shoshones.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A large piece of machinery that digs holes or trenches； an excavator.
- n. A tool for digging.
- n. A spade (playing card).
- n. One who digs.
- n. A gold miner, one who digs for gold.
- n. An informal nickname for a friend; used as a term of endearment.
- n. An Australian or New Zealand soldier.
from the GNU version of the Collaborative International Dictionary of English
- n. One who, or that which, digs.
from The Century Dictionary and Cyclopedia
- n. A person or an animal that digs; an instrument for digging.
- n. [⟨cap.] One of a degraded class of Indians in California, Nevada, and adjacent regions, belonging to several tribes, all more or less intimately connected with the Shoshones: so called because they live chiefly upon roots dug from the ground. Collectively called Digger Indians.
- n. plural In entomology, specifically, the hymenopterous insects called digger-wasps or Fossores. See Fossores and digger-wasp.
- n. One who digs for gold; a gold-miner.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a machine for excavating
- n. a laborer who digs
Sense 3, from their use of digging sticks as foraging tools.(American Heritage® Dictionary of the English Language, Fourth Edition)
Derived from dig. (Wiktionary)