Fŭt'tock, n.

noun

n. [Corrupted either from foot-lock or from foot-hook.] (Naut.) One of the middle timbers between the floor and the upper timbers, or of the timbers raised over the keel, which form the breadth of the ship.

Futtock-plates (Naut.), plates of iron to which the dead-eyes are secured. — Futtock-shrouds, small shrouds over the lower ones. Totten.

A labeled diagram of ship rigging around a mast and futtock shrouds.
Futtock.