Definition of overflow parking lot in US English:

overflow parking lot

noun

North American
  • An area providing additional space in which to leave vehicles if the main parking lot is full.

    ‘the zoo had to use three of its four overflow parking lots’
    • ‘They would continue to leave its overflow parking lot open to trail users during daylight hours.’
    • ‘The main parking lot was completely full, forcing the use of an overflow parking lot.’
    • ‘An overflow parking lot will open at 9:30 a.m.’
    • ‘The regular parking lots were full, but the roadside signage was very clear, directing us to the overflow parking lot.’
    • ‘The rash of break-ins happened in the overflow parking lot.’
    • ‘We find the overflow parking lot at the end of a leafy street with what looks like brand new condos along the way.’
    • ‘For much of the late twentieth century, the library used the area as an overflow parking lot.’
    • ‘The area was frequently used as an overflow parking lot for municipal vehicles.’
    • ‘Workers were forced to set up picket lines in a remote overflow parking lot.’
    • ‘It's great that they have an overflow parking lot across the street.’