noun. verb. The definition of a tally is a record or where a record is kept, particularly of points in a sporting event. An example of a tally is a record of how many games a team has won in a soccer tournament.Tally is defined as to count or to record an amount.he definition of a tally is a record or where a record is kept, particularly of points in a sporting event. An example of a tally is a record of how many games a team has won in a soccer tournament.