WordNet (r) 3.0 (2006):

funeral march
    n 1: a slow march to be played for funeral processions [syn:
         funeral march, dead march]

Moby Thesaurus II by Grady Ward, 1.0:

53 Moby Thesaurus words for "funeral march":
   andante, claudication, coronach, crawl, creep, dead march,
   death knell, death song, dirge, dogtrot, elegy, epicedium, eulogy,
   footpace, funeral oration, funeral song, graveside oration, hobble,
   jog, jog trot, keen, knell, leisurely gait, limp, lumbering pace,
   march, martial music, military march, military music,
   mincing steps, monody, muffled drums, passing bell, plod,
   processional march, quick march, quickstep march, rack,
   recessional march, requiem, saunter, shamble, shuffle, slouch,
   slow march, slow motion, stroll, threnode, threnody, trudge,
   waddle, walk, wedding march