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1. The personification of Nature; The giver and sustainer of life. Perhaps the most ancient of all goddesses, worshiped back in prehistorical times.

2. Our home world, planet Earth.
1. In Greek mythology, Gaia is Mother Earth.

2. We had best take care of Mother Earth.
by OneBadAsp October 27, 2006
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A giant floating rock that lost its value after humans came into existence.
Mother Earth will die a slow, painful death.
by we found a problem October 07, 2007
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