Surge \Surge\, v. t. [imp. & p. p. {Surged}; p. pr. & vb. n.
{Surging}.] [Cf. F. surgir to cast anchor, to land. Cf.
{Surge}, n.] (Naut.)
To let go or slacken suddenly, as a rope; as, to surge a
hawser or messenger; also, to slacken the rope about (a
capstan).
[1913 Webster]