The noun volume has 6 senses (first 6 from tagged texts)
1. (134) volume -- (the amount of 3-dimensional space occupied by an object; "the gas expanded to twice its original volume")
2. (11) bulk, mass, volume -- (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")
3. (8) book, volume -- (physical objects consisting of a number of pages bound together; "he used a large book as a doorstop")
4. (4) volume -- (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. (2) volume -- (a relative amount; "mix one volume of the solution with ten volumes of water")
6. (1) volume, loudness, intensity -- (the magnitude of sound (usually in a specified direction); "the kids played their music at full volume")