1a book forming part of a work or series:a biography of George Bernard Shaw in three volumes [in combination]:a four-volume work
a single book or a bound collection of printed sheets:a botanical library of 5,000 volumesher volume of short stories
a consecutive sequence of issues of a periodical:Chemistry in Britain Volume 28 Number 1
historical a scroll of parchment or papyrus containing written matter.
2 [mass noun] the amount of space that a substance or object occupies, or that is enclosed within a container:the sewer could not cope with the volume of rainwater
an amount or quantity of something, especially when great:changes in the volume of consumer spending [count noun]:the volumes of data handled are vast
fullness or expansive thickness of something, especially of a person’s hair:give your hair volume and bounce with this mousse
3 [mass noun] quantity or power of sound; degree of loudness:he turned the volume up on the radio
