from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One of the earliest known inhabitants of a place; an aborigine.
- n. Ecology An indigenous plant or animal.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The earliest inhabitant of an area, an aborigine.
- n. An autochthonous rock formation.
from the GNU version of the Collaborative International Dictionary of English
- n. One who is supposed to rise or spring from the ground or the soil he inhabits; one of the original inhabitants or aborigines; a native; -- commonly in the plural. This title was assumed by the ancient Greeks, particularly the Athenians.
- n. That which is original to a particular country, or which had there its origin.
from The Century Dictionary and Cyclopedia
- n. Literally, one sprung from the land he inhabits; hence, one of the primitive inhabitants of a country; a member of the race found in a country when first known; an aboriginal inhabitant.
- n. plural The primitive animals or plants of a country or region, especially in geological time.
- n. That element or portion of the fauna of a given region which has descended directly from animals which occupied the region at a much earlier period: contrasted with heterochthon.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the earliest known inhabitants of a region
Greek autokhthōn : auto-, auto- + khthōn, earth; see dhghem- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek αὐτόχθων (autokhthōn, "indigenous"), from αὐτο- (auto-) + χθών (khthōn, "earth, soil"). (Wiktionary)