are n 1: a unit of surface area equal to 100 square meters [syn: {are}, {ar}]
Are \Are\, n. [F., fr. L. area. See {Area}.] (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. [1913 Webster]
Are \Are\ [AS. (Northumbrian) aron, akin to the 1st pers. pl. forms, Icel. erum, Goth. sijum, L. sumus, Gr. ?, Skr. smas; all from a root as. ? See {Am} and {Is}, and cf. {Be}.] 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. [1913 Webster]
ARE. A French measure of surface. This is a square, the sides of which are of the length of ten metres. The are is equal to 1076.441 square feet. Vide Measure.