Illustration of crayfish
- crayfish 1
crayfish
noun
cray·fish
ˈkrā-ˌfish 
1
: any of numerous freshwater decapod crustaceans (especially families Astacidea, Cambaridae, and Parastacidae) resembling the lobster but usually much smaller
2
Examples of crayfish in a Sentence
Recent Examples on the Web
At other times of the year, traps will catch crayfish of all sizes.
—
Chad Mason, Outdoor Life, 3 June 2026
Previous studies have examined everything from crayfish to eel larvae.
—Scott Travers, Forbes.com, 30 May 2026
Wildlife can be found in all directions, with kestrels up above, and intriguing smooth newts and white-clawed crayfish in the stream running through the heart of the farm.
—Will Barker, TheWeek, 7 May 2026
Marshes that were normally dry inundated, expanding habitat for small fish and crayfish, which spiked their populations.
—Bill Kearney, Sun Sentinel, 29 Apr. 2026
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Chad Mason, Outdoor Life, 3 June 2026
Previous studies have examined everything from crayfish to eel larvae.
—Scott Travers, Forbes.com, 30 May 2026
Wildlife can be found in all directions, with kestrels up above, and intriguing smooth newts and white-clawed crayfish in the stream running through the heart of the farm.
—Will Barker, TheWeek, 7 May 2026
Marshes that were normally dry inundated, expanding habitat for small fish and crayfish, which spiked their populations.
—Bill Kearney, Sun Sentinel, 29 Apr. 2026
See All Example Sentences for crayfish
Cite this Entry
“Crayfish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crayfish. Accessed 16 Jun. 2026.
Copy CitationKids Definition
crayfish
noun
cray·fish
ˈkrā-ˌfish
1
: any of numerous freshwater crustaceans that are related to but usually much smaller than the lobster
2
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