Definition of loach
: any of a family (Cobitidae) of small Old World freshwater fishes related to the carps
Recent Examples of loach from the Web
Once divers had caught several elusive cave loaches, researchers were able to conduct detailed genetic analyses.
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Origin and Etymology of loach
Middle English loche, from Anglo-French
First Known Use: 14th centurySee Words from the same year
Seen and Heard
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