The Collaborative International Dictionary of English v.0.48:
pallbearer \pall"bear*er\ (p[add]l"b[^a]r*[~e]r), n. One of those who attend the coffin at a funeral; -- so called from the pall being formerly carried by them. [1913 Webster]WordNet (r) 3.0 (2006):
pallbearer n 1: one of the mourners carrying the coffin at a funeral [syn: pallbearer, bearer]