The Collaborative International Dictionary of English v.0.48:

Safe-conduct \Safe"-con"duct\, n. [Safe + conduct: cf. F.
   sauf-conduit.]
   That which gives a safe passage; either
   (a) a convoy or guard to protect a person in an enemy's
       country or a foreign country, or
   (b) a writing, pass, or warrant of security, given to a
       person to enable him to travel with safety. --Shak.
       [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Safe-conduct \Safe`-con*duct"\, v. t.
   To conduct safely; to give safe-conduct to. [Poetic]
   [1913 Webster]

         He him by all the bonds of love besought
         To safe-conduct his love.                --Spenser.
   [1913 Webster]

WordNet (r) 3.0 (2006):

safe-conduct
    n 1: a document or escort providing safe passage through a
         region especially in time of war [syn: safe-conduct,
         safeguard]