The Collaborative International Dictionary of English v.0.48:
Overhung \O"ver*hung"\, a. 1. Covered over; ornamented with hangings. --Carlyle. [1913 Webster] 2. Suspended from above or from the top. [1913 Webster] Overhung door, a sliding door, suspended door, suspended from the top, as upon rollers. [1913 Webster]