■ noun
1》 a book forming part of a work or series.
↘a single book or a bound collection of printed sheets.
↘a consecutive sequence of issues of a periodical.
↘ historical a parchment or papyrus scroll.
2》 the amount of space occupied by a substance or object, or enclosed within a container.
↘an amount or quantity, especially when great.
↘fullness or thickness of hair.
3》 degree of loudness.
Origin
ME: from OFr. volum(e) , from L. ~n , volumin- 'a roll', from volvere 'to roll'.