1. The back line bounding each end of a tennis or handball court; when serving the server must not step over this line
   - baseline

Derived forms: service lines

Type of: line

• Primaxin
• prime
• prime factor
• prime interest rate
• prime meridian
• prime minister
• prime mover
• prime number
• prime of life
• prime quantity
• prime time
• primed
• primer
• primer coat
• primero
• primeval
• primidone
• primigravida
• priming
• priming coat
• primipara
• primiparous
• unstated
• unstatesmanlike
• unsteadily