[1] : The Collaborative International Dictionary of English v.0.48

lumpen \lump"en\, n.
   1. politics same as lumpenproletariat.
      pjc

   2. zool. the european eelpout; -- called also lumper.
      1913 webster
see also:
lumpenproletariat lumper 

[2] : The Collaborative International Dictionary of English v.0.48

lumper \lump"er\, n. cf. lamper eel. zool.
   the european eelpout; -- called also lumpen.
   1913 webster
see also:
lamper eel lumpen 

[3] : The Collaborative International Dictionary of English v.0.48

lumper \lump"er\, n.
   1. one who lumps.
      1913 webster

   2. a laborer who is employed to load or unload vessels when
      in harbor.
      1913 webster

[4] : WordNet (r) 2.0

lumper
     n 1: a laborer who loads and unloads vessels in a port syn: stevedore,
           loader, longshoreman, docker, dockhand, dock
          worker, dock-walloper
     2: a taxonomist who classifies organisms into large groups on
        the basis of major characteristics ant: splitter
see also:
stevedore loader longshoreman docker dockhand dock worker 
dock-walloper splitter 

Lumper >> L Words
Lumper, definition of term: Lumper
lumper_pag1.html