Dictionary.com
Thesaurus.com

lamprey

American  
[lam-pree] / ˈlæm pri /

noun

lampreys plural
  1. any eellike marine or freshwater fish of the order Petromyzoniformes, having a circular, suctorial mouth with horny teeth for boring into the flesh of other fishes to feed on their blood.


lamprey British  
/ ˈlæmprɪ /

noun

  1. Also called: lamper eel.  any eel-like cyclostome vertebrate of the family Petromyzonidae, having a round sucking mouth for clinging to and feeding on the blood of other animals See also sea lamprey

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of lamprey

1250–1300; Middle English lampreye < Anglo-French *lampreie ( Old French lamproie ) < Late Latin lamprēda; replacing Old English lamprede < Medieval Latin lampreda

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The River Lugg is home to six protected and endangered species, including common otter, Atlantic salmon, white clawed crayfish, brook lamprey, shad and bullhead.

From BBC May 26, 2026

A recent independent U.K. report on the nuclear sector found it would spare the lives of 0.028 sea trout, six river lamprey, 18 allis shad and 528 twaite shad every year.

From The Wall Street Journal Dec. 12, 2025

Fish passage has also been opened for other species recorded in the river, including the critically endangered European eel as well as grayling, trout, lamprey, minnow, stone loach, and bullhead.

From BBC Nov. 13, 2025

The species' conservation is especially important, given projected sea levels rises mean that many of the lowland freshwater coastal streams where Australian brook lamprey live are likely to become saltwater.

From Science Daily May 8, 2024

Since the hour he had arrived in the Red Ke^p, Lady Tanda had been stalking him, armed with a never-ending arsenal of lamprey pies, wild boars, and savory cream stews.

From "A Clash of Kings" by George R.R. Martin

The Environment Agency found that 2,100 fish died, including eels and lampreys both endangered and protected species.

From BBC Nov. 11, 2024

Taking down the dams will give the Klamath’s fish — including salmon, steelhead and lampreys — the opportunity to reconnect with their ancestral habitats.

From Los Angeles Times May 3, 2024

Then they did similar analyses on juvenile sharks and lampreys.

From Science Magazine Apr. 25, 2024

Because most vertebrates, including humans, have jaws, this striking difference in sea lampreys makes them valuable models for understanding the evolution of vertebrate traits.

From Science Daily Feb. 21, 2024

On the dais, Lord Wyman attacked a steaming plate of lampreys as if they were an enemy host.

From "A Clash of Kings" by George R.R. Martin

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training