Definition of tench
plural tench or tenches
: a cyprinid fish (Tinca tinca) native to Eurasia but introduced in the United States and noted for its ability to survive in poorly oxygenated waters
Origin of tench
Middle English, from Anglo-French tenche, from Late Latin tinca
First Known Use: 13th century
Learn More about tench
Britannica.com: Encyclopedia article about "tench"
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