DOMINANT, a. L., to rule lord, master a house to overcome, to subdue.
1. Ruling prevailing governing predominant as the dominant party, or faction.
2. In music, the dominant or sensible chord is that which is practiced on the dominant of the tone, and which introduces a perfect cadence. Every perfect major chord becomes a dominant chord, as soon as the seventh minor is added to it.
DOMINANT, n. In music, of the three notes essential to the tone, the dominant is that which is a fifth from the tonic.