King James Bible Dictionary

NETHER, adjective [This word is of the comparative degree; the positive occurs only in composition, as in beneath. It is used only in implied comparison, as in the nether part, the nether millstone; but we never say, one part is nether than another. It is not much used.]

1. Lower; lying or being beneath or in the lower part; opposed to upper; as the nether millstone.

Distorted all my nether shape thus grew transformd.

2. In a lower place.

Twixt upper, nether and surrounding fires.

3. Belonging to the regions below.

NETHERMOST, adjective Lowest; as the nethermost hell; the nethermost abyss.