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.
Are n. Metric system 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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are
n : a unit of surface area equal to 100 square meters [syn: ar]