From The Collaborative International Dictionary of English v.0.48 [gcide]:
Aborigines \Ab`o*rig"i*nes\ (-r[i^]j"[i^]*n[=e]z), n. pl. [L.
Aborigines; ab + origo, especially the first inhabitants of
Latium, those who originally (ab origine) inhabited Latium or
Italy. See Origin.]
1. The earliest known inhabitants of a country; native races.
[1913 Webster]
2. The original fauna and flora of a geographical area
[1913 Webster]