betta
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bet·ta
(bĕt′ə)n.
Any of various species of small, brightly colored, long-finned freshwater fishes of the genus Betta of Southeast Asia, many of which, such as the Siamese fighting fish, are popular in home aquariums.
[New Latin Betta, genus name, from Javanese wader bettah, a species of betta (Betta picta) of Java and Sumatra (wader, freshwater fish).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
betta
(ˈbɛtə)n
(Animals) another name for fighting fish
[C19: from New Latin, of unknown origin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014