Source : Webster's Revised Unabridged Dictionary (1913)

Loft \Loft\, n. [Icel. lopt air, heaven, loft, upper room; akin
   to AS. lyft air, G. luft, Dan. loft loft, Goth. luftus air.
   Cf. {Lift}, v. & n. ]
   That which is lifted up; an elevation. Hence, especially:
   (a) The room or space under a roof and above the ceiling of
       the uppermost story.
   (b) A gallery or raised apartment in a church, hall, etc.;
       as, an organ loft.
   (c) A floor or room placed above another; a story.

             Eutychus . . . fell down from the third loft.
                                                  --Acts xx. 9.

   {On loft}, aloft; on high. Cf. {Onloft}. [Obs.] --Chaucer.