WordWeb Online

1. A labourer who loads and unloads vessels in a port
   - stevedore, loader, longshoreman [N. Amer], docker [Brit], dockhand, dock worker, dockworker, dock-walloper, wharfie [Austral, NZ]
    
2. A taxonomist who classifies organisms into large groups on the basis of major characteristics

Derived forms: lumpers

See also: lump

Type of: jack, laborer [US], labourer [Brit, Cdn], manual laborer [US], manual labourer [Brit, Cdn], systematist, taxonomer, taxonomist

Antonym: splitter

Encyclopedia: Lumper Lumper, Gottfried