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A large boa (Boa constrictor) of tropical America that has dark brown markings on a lighter background and kills its prey by constriction.
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.
(Animals) a very large snake, Constrictor constrictor, of tropical America and the Caribbean, that kills its prey by constriction: family Boidae (boas)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a snake, Constrictor constrictor, of tropical America, noted for its large size and its ability to suffocate a prey by coiling around it.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.