hectare (hĕkˈtâr, –tär) [key], abbr. ha, unit of area in the metric system, equal to 10,000 sq m, or about 2.47 acres.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
About Infoplease, Part of Family Education Network
© 2000–2014 Pearson Education, publishing as Infoplease