recessional hymn

from The Collaborative International Dictionary of English v.0.48

Recessional \Re*ces"sion*al\, a.
   Of or pertaining to recession or withdrawal.
   [1913 Webster]

   {Recessional hymn}, a hymn sung in a procession returning
      from the choir to the robing room; a {recessional}.
      [1913 Webster]