v. i. - To roll back, as a wave or flood; to be sent or driven back; to flow back, as a consequence or effect; to conduce; to contribute; to result.
v. i. - To be in excess; to remain over and above; to be redundant; to overflow.
n. - The coming back, as of consequence or effect; result; return; requital.
n. - Rebound; reverberation.