or -ken, subs. (thieves).A place where stolen goods are purchased or secreted.See FENCE, subs., sense 2.
1785. GROSE, A Classical Dictionary of the Vulgar Tongue, s.v.
1839. W. H. AINSWORTH, Jack Sheppard, p. 277, ed. 1840. It only leads to the FENCING CRIB, replied Wild. Theres no outlet that way.