What does "are" mean?

Are: The present indicative plural of the substantive verb to be; but etymologically a different word from be, or was. Am, art, are, and is, all come from the root as.

Additional senses

  1. 2.The unit of superficial measure, being a square of which each side is ten meters in length; 100 square meters, or about 119.6 square yards.

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