Amain

A·main

Amain

adv.
  1. With might; with full force; vigorously; violently; exceedingly.
    They on the hill, which were not yet come to blows, perceiving the fewness of their enemies, came down amain.
    That striping giant, ill-bred and scoffing, shouts amain.
    — T. Parker.
  2. At full speed; in great haste; also, at once.

Amain

v. t.
  1. To lower, as a sail, a yard, etc. (Naut.)

amain

v. i.
  1. To lower the topsail, in token of surrender; to yield. (Naut.)