A*main" (&?;), adv. [Pref. a- + main. See 2d Main, n.] 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.
Milton.

That striping giant, ill-bred and scoffing, shouts amain.
T. Parker.

2. At full speed; in great haste; also, at once. "They fled amain." Holinshed.

A*main", v. t. [F. amener. See Amenable.] (Naut.) To lower, as a sail, a yard, etc.

A*main", v. i. (Naut.) To lower the topsail, in token of surrender; to yield.