'Art' in the Bible

Ho, Zion, be delivered who art dwelling with the daughter of Babylon.

and he saith unto me, 'What art thou seeing?' And I say, 'I have looked, and lo, a candlestick of gold -- all of it, and its bowl is on its top, and its seven lamps are upon it, and twice seven pipes are to the lights that are on its top,

Who art thou, O great mountain? before Zerubbabel thou shalt become a plain: and he shall bring forth the headstone thereof with shoutings, crying, Grace, grace unto it.

And he saith unto me, 'What art thou seeing?' And I say, 'I am seeing a flying roll, its length twenty by the cubit, and its breadth ten by the cubit.'