- Tennis. the rear boundary of a service court.
- a line running parallel to the front wall in certain court games, as handball or squash, that marks a boundary of the service area.
Origin of service line
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for service line
It is a good plan, when serving from the right-hand court, to aim for the spot where the centre line bisects the service-line.Lawn Tennis for Ladies
Mrs. Lambert Chambers
- the line at the back of the court behind which the server must stand when serving
- a line indicating the boundary of a permissible service, as on the backwall of a squash court