blue cat
- noun
- US
- The blue cat is a popular choice among anglers for its size and unique color.
Examples
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Sammy's the Big Blue cat and Cami's the camo catfish.
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Last summer, I went fishing and proudly caught a blue cat from the Mississippi River.
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At the local fishing tournament, many participants aimed to catch the largest blue cat in the lake.
Synonyms
A large freshwater fish with blue skin that lives in North American rivers
A large freshwater catfish with long whiskers and blue-gray color that lives in the Mississippi River
A large catfish with bluish gray skin and a forked tail that lives in rivers like the Mississippi
Surface Forms
Morphology
A B1 learner who knows 'blue' and 'cat' will most likely interpret 'blue cat' as a blue-colored feline, but the listed meaning refers to a species of catfish (blue cat[fish]), not a literal cat. The fish-species reading is not derivable from the literal constituents and relies on a specialized noun-compound/folk name, so it is not predictable from the parts.
Etymology
Blue cat comes from the fish's look: people called it a 'cat' because of whisker-like barbels and added blue for its bluish skin. So blue cat simply means 'a large catfish' from rivers like the Mississippi.