Of, pertaining to, or located at a base, but especially at the base of the skull or an organ of Corti.
Lower, inferior, base.
Of, relating to, or being an element (as opposed to a compound).
Of, or relating to a force of nature, especially to severe atmospheric conditions.
Basic, fundamental or elementary.
Of the ancient supposed elements of earth, air, fire and water.
A creature (usually a spirit) that is attuned with, or composed of, one of the classical elements: air, earth, fire and water or variations of them like ice, lightning, etc. They sometimes have unique proper names and sometimes are referred to as Air, Earth, Fire, or Water.