The Collaborative International Dictionary
Bumkin \Bum"kin\, n. [Boom a beam + -kin. See Bumpkin.] (Naut.) A projecting beam or boom; as:
One projecting from each bow of a vessel, to haul the fore tack to, called a tack bumpkin.
One from each quarter, for the main-brace blocks, and called brace bumpkin.
A small outrigger over the stern of a boat, to extend the mizzen. [Written also boomkin.] [1913 Webster] ||
Wiktionary
alt. (context nautical English) A short outrigger projecting from the side of the aft part of a square-rigged sailing ship, used as an attachment point for a rope (brace) used to set a yard-arm at different angles to a mast so to allow the ship to sail at different angles to the wind. n. (context nautical English) A short outrigger projecting from the side of the aft part of a square-rigged sailing ship, used as an attachment point for a rope (brace) used to set a yard-arm at different angles to a mast so to allow the ship to sail at different angles to the wind.
Usage examples of "bumkin".
Canoa which had been sawn asunder in the middle, in order to have made Bumkins, or Vessels for carrying water, if we had not separated from our Ship.