The Collaborative International Dictionary of English v.0.48:

Volume \Vol"ume\, n. [F., from L. volumen a roll of writing, a
   book, volume, from volvere, volutum, to roll. See Voluble.]
   1. A roll; a scroll; a written document rolled up for keeping
      or for use, after the manner of the ancients. [Obs.]
      [1913 Webster]

            The papyrus, and afterward the parchment, was joined
            together [by the ancients] to form one sheet, and
            then rolled upon a staff into a volume (volumen).
                                                  --Encyc. Brit.
      [1913 Webster]

   2. Hence, a collection of printed sheets bound together,
      whether containing a single work, or a part of a work, or
      more than one work; a book; a tome; especially, that part
      of an extended work which is bound up together in one
      cover; as, a work in four volumes.
      [1913 Webster]

            An odd volume of a set of books bears not the value
            of its proportion to the set.         --Franklin.
      [1913 Webster]

   4. Anything of a rounded or swelling form resembling a roll;
      a turn; a convolution; a coil.
      [1913 Webster]

            So glides some trodden serpent on the grass,
            And long behind wounded volume trails. --Dryden.
      [1913 Webster]

            Undulating billows rolling their silver volumes.
                                                  --W. Irving.
      [1913 Webster]

   4. Dimensions; compass; space occupied, as measured by cubic
      units, that is, cubic inches, feet, yards, etc.; mass;
      bulk; as, the volume of an elephant's body; a volume of
      gas.
      [1913 Webster]

   5. (Mus.) Amount, fullness, quantity, or caliber of voice or
      tone.
      [1913 Webster]

   Atomic volume, Molecular volume (Chem.), the ratio of the
      atomic and molecular weights divided respectively by the
      specific gravity of the substance in question.

   Specific volume (Physics & Chem.), the quotient obtained by
      dividing unity by the specific gravity; the reciprocal of
      the specific gravity. It is equal (when the specific
      gravity is referred to water at 4[deg] C. as a standard)
      to the number of cubic centimeters occupied by one gram of
      the substance.
      [1913 Webster]

WordNet (r) 3.0 (2006):

volume
    n 1: the amount of 3-dimensional space occupied by an object;
         "the gas expanded to twice its original volume"
    2: the property of something that is great in magnitude; "it is
       cheaper to buy it in bulk"; "he received a mass of
       correspondence"; "the volume of exports" [syn: bulk,
       mass, volume]
    3: physical objects consisting of a number of pages bound
       together; "he used a large book as a doorstop" [syn: book,
       volume]
    4: a publication that is one of a set of several similar
       publications; "the third volume was missing"; "he asked for
       the 1989 volume of the Annual Review"
    5: a relative amount; "mix one volume of the solution with ten
       volumes of water"
    6: the magnitude of sound (usually in a specified direction);
       "the kids played their music at full volume" [syn: volume,
       loudness, intensity] [ant: softness]

Moby Thesaurus II by Grady Ward, 1.0:

186 Moby Thesaurus words for "volume":
   abundance, accommodation, acreage, acres, aggregate, amount,
   amplitude, area, armful, article, back number, bagful, bags,
   barrelful, barrels, basketful, best seller, bigness, binful, body,
   book, bottleful, bound book, bowlful, breadth, bulk, burden,
   bushel, caliber, capacity, capful, caseful, chapter, classic,
   clause, collection, coloring book, column, content, continuum,
   copiousness, copy, cordage, countlessness, coverage, crescendo,
   definitive work, depth, diameter, dimension, dimensions, edition,
   emptiness, empty space, expanse, expansion, extension, extent,
   fascicle, field, flood, folio, fullness, galactic space, gauge,
   girth, great work, greatness, handful, hardback, height,
   impression, infinite space, installment, intensity,
   interstellar space, issue, juvenile, juvenile book, kettleful,
   lapful, largeness, length, library, library edition, limit,
   limp-cover book, livraison, load, loudishness, loudness, magnitude,
   magnum opus, mass, measure, measurement, mountain, mouthful, much,
   multitude, nonbook, notebook, nothingness, novel, number,
   numerousness, object, ocean, oceans, opus, opuscule, opusculum,
   outer space, paperback, paragraph, part, passage, peck, phrase,
   picture book, playbook, plenitude, plenty, pocket book, poundage,
   prayer book, printing, production, profusion, proportion,
   proportions, psalmbook, psalter, publication, quantities, quantity,
   radius, range, reach, room, scale, school edition, scope, sea,
   section, serial, series, set, size, sketchbook, soft-cover,
   songbook, sonority, sonorousness, space, spate, spatial extension,
   sphere, spread, standard work, storybook, stowage, sum total,
   superabundance, superficial extension, superfluity, supply,
   surface, surge, surge of sound, swell, swelling, title, tome,
   tonnage, tons, tract, trade book, trade edition, verse, void,
   width, work, world, worlds, writing