adv. In a mediate manner; by a secondary cause or agent; not directly or primarily; by means; -- opposed to
God worketh all things amongst us mediately. Sir W. Raleigh. [ 1913 Webster ]
The king grants a manor to A, and A grants a portion of it to B. In this case. B holds his lands immediately of A, but mediately of the king. Blakstone. [ 1913 Webster ]