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Siamese fighting fish

noun
1.
a labyrinth fish, Betta splendens, that has been bred for centuries to develop brilliant coloration, very long fins, and pugnacity.
Origin
1930-1935
1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Siamese fighting fish

Siamese fighting fish

noun
1.
a brightly coloured labyrinth fish, Betta splendens, of Thailand and Malaysia, having large sail-like fins: the males are very pugnacious
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
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Word Value for Siamese

9
10
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