adverb
(archaic, literary) With all of one's might; mightily; forcefully, violently.
(archaic) At full speed; also, in great haste.
(British, dialectal) Out of control.
(obsolete) Exceedingly; overmuch.
verb
To lower (the sail of a ship, particularly the topsail).
To decrease or reduce (something).
(intransitive, nautical) To lower the topsail in token of surrender; to yield.