Webster's Revised Unabridged Dictionary · 1913

Are

Are ({not transcribed})

[Anglo-Saxon (Northumbrian) aron, akin to the 1st pers. pl. forms, Icelandic erum, Gothic sijum, Latin sumus, Greek {not transcribed}, Sanskrit smas; all from a root as. {not transcribed} See Am and Is, and compare 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.

Are ({not transcribed}) , noun

[French, from Latin 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.