The Collaborative International Dictionary of English v.0.48:
Splitter \Split"ter\ (-t[~e]r), n. One who, or that which, splits. [1913 Webster]WordNet (r) 3.0 (2006):
splitter n 1: a worker who splits fish and removes the backbone 2: a taxonomist who classifies organisms into many groups on the basis of relatively minor characteristics [syn: splitter, divider] [ant: lumper] 3: a laborer who splits logs to build split-rail fences [syn: rail-splitter, splitter]