Source : Webster's Revised Unabridged Dictionary (1913)

Voluminous \Vo*lu"mi*nous\, a. [L. voluminosus: cf. F.
   volumineux.]
   Of or pertaining to volume or volumes. Specifically:
   (a) Consisting of many folds, coils, or convolutions.

             But ended foul in many a scaly fold, Voluminous and
             vast.                                --Milton.

             Over which dusky draperies are hanging, and
             voluminous curtains have long since fallen. --De
                                                  Quincey.
   (b) Of great volume, or bulk; large. --B. Jonson.
   (c) Consisting of many volumes or books; as, the collections
       of Muratori are voluminous.
   (d) Having written much, or produced many volumes; copious;
       diffuse; as, a voluminous writer. -- {Vo*lu"mi*nous*ly},
       adv. -- {Vo*lu"mi*nous*ness}, n.