What is the meaning of the word "pace lap"?

Definitions:

  1. A lap of an auto racecourse by the entire field of competitors before the start of a race to allow the engines to warm up and to permit a flying start. copy to clipboard NOUN
    • An additional pace lap was required when one of the cars had trouble maintaining its position in the formation. copy to clipboard
  2. A preliminary lap taken by racing vehicles before the official start of a race. copy to clipboard NOUN
    • During the pace lap, the driver focused on warming up the tires to ensure optimal grip as soon as the race started. copy to clipboard

Synonyms: