1
: a laborer who handles freight or cargo
2
: one who classifies organisms into large often variable taxonomic groups based on major characters compare splitter
Examples of lumper in a Sentence
Recent Examples on the Web
In the 1800s, for example, a single clone of the Irish lumper potato fed Ireland's growing population until a rot wiped it out, devastating the island's people and economy.
—
Rebecca Albright, Scientific American, 1 Jan. 2018
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Rebecca Albright, Scientific American, 1 Jan. 2018
Cite this Entry
“Lumper.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lumper. Accessed 3 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share