The Collaborative International Dictionary of English v.0.48:

Overhang \O`ver*hang"\, v. t. [imp. & p. p. Overhung; p. pr. &
   vb. n. Overhanging.]
   1. To impend or hang over. [R.] --Beau. & Fl.
      [1913 Webster]

   2. To hang over; to jut or project over. --Pope.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Overhang \O`ver*hang"\, v. i.
   To jut over. --Milton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Overhang \O`ver*hang`\, n. (Arch.)
   1. In a general sense, that which just out or projects; a
      projection; also, the measure of the projection; as, the
      overhang is five feet.
      [1913 Webster]

   2. Specifically: The projection of an upper part (as a roof,
      an upper story, or other part) of a building beyond the
      lower part; as, the overhang of a roof, of the eaves, etc.
      [1913 Webster]

   3. (Naut.) The portion of the bow or stem of a vessel that
      projects over the water beyond the water line.
      [1913 Webster]

   4. (Mach.) The projection of a part beyond another part that
      is directly below it, or beyond a part by which it is
      supported; as, the overhang of a shaft; i. e., its
      projection beyond its bearing.
      [1913 Webster]

WordNet (r) 3.0 (2006):

overhang
    n 1: projection that extends beyond or hangs over something else
    v 1: project over
    2: be suspended over or hang over; "This huge rock beetles over
       the edge of the town" [syn: overhang, beetle]

Moby Thesaurus II by Grady Ward, 1.0:

63 Moby Thesaurus words for "overhang":
   approach, arch over, await, be imminent, be in store, beetle,
   beetling, bestraddle, bestride, brew, bridge, bulge, come on,
   confront, draw near, draw nigh, draw on, extend out, extend over,
   extension, face, forthcome, gather, hang out, hang over, hover,
   imbricate, impend, impend over, impendence, impendency, imperil,
   jut, jut out, jutting, lap, lap over, lean over, ledge, lie over,
   loom, lower, menace, near, overarch, overhanging, overlap, overlie,
   override, poke, pouch, pout, project, project over, projection,
   protrude, protrusion, shingle, span, stand out, stick out,
   threaten, thrust over