What is "brace bumpkin"

Bumkin \Bum"kin\, n. [Boom a beam + -kin. See Bumpkin.] (Naut.) A projecting beam or boom; as:

1. One projecting from each bow of a vessel, to haul the fore tack to, called a tack bumpkin.

2. One from each quarter, for the main-brace blocks, and called brace bumpkin.

3. A small outrigger over the stern of a boat, to extend the mizzen. [Written also boomkin.] [1913 Webster] ||