The term "vol" has multiple meanings depending on the context. Here are some of the most common definitions:

• Tennessee Volunteers: "Vol" is a nickname for the sports teams of the University of Tennessee, Knoxville. The football team is known as the Tennessee Volunteers, and the term "Vol" is often used to refer to the team or its players.

• Vol is a Verb: "Vol is a Verb" is a campus-wide initiative at the University of Tennessee, Knoxville designed to support mattering and belonging on campus.

• Volume: "Vol" is a written abbreviation for "volume" when referring to one or more books in a series of books.

• Volcano: "Vol" is an abbreviation for "volcano".

• Heraldic symbol: "Vol" is a once-obscure heraldic symbol consisting of a pair of outstretched, usually plumed birds wings, which are connected together at their shoulders without having any birds body in the middle. This symbol was used by the French Armée de lAir as its cap badge.

In summary, "vol" can refer to the Tennessee Volunteers, a campus initiative, a volume of a book, a volcano, or a heraldic symbol.