from
The Collaborative International Dictionary of English v.0.48
Gammoning \Gam"mon*ing\, n. [From 5th {Gammon}.] (Naut.)
The lashing or iron band by which the bowsprit of a vessel is
secured to the stem to opposite the lifting action of the
forestays.
[1913 Webster]
{Gammoning fashion}, in the style of gammoning lashing, that
is, having the turns of rope crossed.
{Gammoning hole} (Naut.), a hole cut through the knee of the
head of a vessel for the purpose of gammoning the
bowsprit.
[1913 Webster]