Definition of aboriginal:
(adj) :
first; original;
indigenous; primitive; native; as, the aboriginal tribes of America; of or pertaining to
aborigines; as, a
Hindoo of aboriginal blood
"mantled o'er with aboriginal turf. -
Wordsworth."
(n) :
an original inhabitant of any land; one of the
aborigines; an animal or a plant native to the region
"it may well be doubted whether this frog is an aboriginal of these islands. -
Darwin."