Definition of "lumper" [lump•er]

• The European eelpout; -- called also lumpen. (noun)
• Extra labor hired by a trucking company to assist a driver and/or customer unloading or loading a truck. (noun)
• A scientist in one of various fields who prefers to keep categories such as species or dialects together in larger groups. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Dickerson, grateful to have even a temp job, was taken on as a "lumper" -- someone who schleps boxes to and from trailers all day long."
• ""lumper" -- that is, a contractor in a small way who took work in the"
• "Oh, and I had no idea that, last year, Greg Paul (a notorious taxonomic "lumper" since at least the '80s) split the taxon Iguanodon into Iguanodon, Mantellisaurus, and Dollodon."