From WordNet (r) 3.0 (2006) [wn]:
Aboriginal
adj 1: of or pertaining to members of the indigenous people of
Australia; "an Aboriginal rite"
2: characteristic of or relating to people inhabiting a region
from the beginning; "native Americans"; "the aboriginal
peoples of Australia" [syn: native, aboriginal] [ant:
nonnative]
3: having existed from the beginning; in an earliest or original
stage or state; "aboriginal forests"; "primal eras before the
appearance of life on earth"; "the forest primeval";
"primordial matter"; "primordial forms of life" [syn:
aboriginal, primal, primeval, primaeval,
primordial]
n 1: a dark-skinned member of a race of people living in
Australia when Europeans arrived [syn: Aborigine, Abo,
Aboriginal, native Australian, Australian Aborigine]
2: an indigenous person who was born in a particular place; "the
art of the natives of the northwest coast"; "the Canadian
government scrapped plans to tax the grants to aboriginal
college students" [syn: native, indigen, indigene,
aborigine, aboriginal]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Aboriginal \Ab`o*rig"i*nal\, a. [See Aborigines.]
1. First; original; indigenous; primitive; native; as, the
aboriginal tribes of America. "Mantled o'er with
aboriginal turf." --Wordsworth.
[1913 Webster]
2. Of or pertaining to aborigines; as, a Hindu of aboriginal
blood.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Aboriginal \Ab`o*rig"i*nal\, n.
1. An original inhabitant of any land; one of the aborigines.
[1913 Webster]
2. An animal or a plant native to the region.
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It may well be doubted whether this frog is an
aboriginal of these islands. --Darwin.
[1913 Webster]