Amain

Webster's Dictionary of the English Language

·vt To lower, as a sail, a yard, ·etc.

II. Amain ·noun At full speed; in great haste; also, at once.

III. Amain ·noun With might; with full force; vigorously; violently; exceedingly.

IV. Amain ·vi To lower the topsail, in token of surrender; to Yield.