Definitions for "Resonant"
Returning, or capable of returning, sound; fitted to resound; resounding; echoing back.
A sound that is prolonged, rich and ringing.
Adjusted as to dimensions (as an electric circuit) so that currents or electric surgings are produced by the passage of electric waves of a given frequency.
Resonant Frequency Resonator
inducing resonance; "resonant frequency"
characterized by reverberation; "a resonant voice"; "hear the rolling thunder"