va·ra (vär??)n.1. A Spanish, Portuguese, and Latin-American unit of linear measure varying from about 81 to 109 centimeters (32 to 43 inches).2. A square vara.[Spanish and Portuguese, rod, both from Latin v?ra, forked pole, from v?rus, bent.]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.vara (?v??r?) n (Units) a unit of length used in Spain, Portugal, and South America and having different values in different localities, usually between 32 and 43 inches (about 80 to 108 centimetres)[C17: via Spanish from Latin: wooden trestle, from v?rus crooked]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014va?ra (?v?r ?) n., pl. -ras. a unit of length in Spanish- and Portuguese-speaking countries, varying from about 32 inches (81 cm) to about 43 inches (109 cm). [1595?1605;