a day laborer employed to handle cargo, as fish or timber.
Biology Informal. a taxonomist who believes that classifications should emphasize similarities among organisms and therefore favors large, inclusive taxa (opposed to splitter).
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How to use lumper in a sentence
lumper, a low thief who haunts wharves and docks, and robs vessels, also a person who sells old goods as new.The Slang Dictionary | John Camden Hotten
"Monsoon, you son of a lumper potato," cried out a surly, gruff voice from a berth opposite.Charles O'Malley, The Irish Dragoon, Volume 1 (of 2) | Charles Lever
So a lumper, or 'longshoreman, had told the men where to put things.The Sandman: His Sea Stories | William J. Hopkins
A lumper was a man who did the work of carrying things into a ship, or out of it.The Sandman: His Sea Stories | William J. Hopkins
British Dictionary definitions for lumper
US a stevedore; docker
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012