voluminous \volu"minous\, a. l. voluminosus: cf. f.
   volumineux.
   of or pertaining to volume or volumes. specifically: 
   1913 webster
   a consisting of many folds, coils, or convolutions.
       1913 webster

             but ended foul in many a scaly fold,
             voluminous and vast.                 --milton.
       1913 webster

             over which dusky draperies are hanging, and
             voluminous curtains have long since fallen. --de
                                                  quincey.
       1913 webster
   b of great volume, or bulk; large. --b. jonson.
       1913 webster
   c consisting of many volumes or books; as, the collections
       of muratori are voluminous.
       1913 webster
   d having written much, or produced many volumes; copious;
       diffuse; as, a voluminous writer.
       1913 webster -- volu"minously, adv. --
       volu"minousness, n.
       1913 webster
see also:
volu"minously volu"minousness 

voluminousness
     n : greatness of volume syn: fullness, voluminosity
see also:
fullness voluminosity