Aboriginal

1. n. An animal or a plant native to the region.
2. a. First; original; indigenous; primitive; native; as, the aboriginal tribes of America.
3. a. Of or pertaining to aborigines; as, a Hindoo of aboriginal blood.
4. n. An original inhabitant of any land; one of the aborigines.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.