cuatro
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cuat·ro
(kwä′trō)n. pl. cuat·ros
A small guitarlike instrument of Latin America, usually having four or five pairs of strings.
[Spanish, from Latin quattuor, four; see quatrain.]
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.
cuatro
(ˈkwɒtrəʊ)n, pl -tros
(Instruments) dialect Caribbean a small guitar with four strings
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014