The Collaborative International Dictionary of English v.0.48:

Dunghill \Dung"hill`\, n.
   1. A heap of dung.
      [1913 Webster]

   2. Any mean situation or condition; a vile abode.
      [1913 Webster]

            He . . . lifteth up the beggar from the dunghill. --
                                                  1. Sam. ii. 8.
      [1913 Webster]

   Dunghill fowl, a domestic fowl of common breed.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dunghill
    n 1: a foul or degraded condition
    2: a heap of dung or refuse [syn: dunghill, midden,
       muckheap, muckhill]

Easton's 1897 Bible Dictionary:

Dung-hill
   to sit on a, was a sign of the deepest dejection (1 Sam. 2:8;
   Ps. 113:7; Lam. 4:5).