1. a worker who splits fish and removes the backbone • Derivationally related forms: split • Hypernyms: worker 2. a laborer who splits logs to build split-rail fences • Syn: rail-splitter • Derivationally related forms: split • Hypernyms: laborer, manual laborer, labourer, jack 3. a taxonomist who classifies organisms into many groups on the basis of relatively minor characteristics • Syn: divider • Ant: lumper • Derivationally related forms: divide (for: divider) • Hypernyms: taxonomist, taxonomer, systematist