\Par"buc`kle\, n.
(a) A kind of purchase for hoisting or lowering a cylindrical
    burden, as a cask. The middle of a long rope is made fast
    aloft, and both parts are looped around the object, which
    rests in the loops, and rolls in them as the ends are
    hauled up or payed out.
(b) A double sling made of a single rope, for slinging a
    cask, gun, etc.

\Par"buc`kle\, v. t. [imp. & p. p. {Parbuckled}; p.
pr. & vb. n. {Parbuckling}.]
To hoist or lower by means of a parbuckle. --Totten.