Second person singular and plural and first and third person plural present indicative of be.
A metric unit of area equal to 100 square meters (119.6 square yards).
The plural form of the present tense (indicative mood) of the verb 'be' and the singular form used with you
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016