a line that marks the start of a race.
Track and Field. a line that a competitor is not allowed to step over while performing in certain events, as the triple jump or javelin throw.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use scratch line in a sentence
If the two centers have been accurately adjusted this scratch line will be the exact center of the form.The Potter's Craft | Charles F. Binns
The measurement shall be to the scratch line half-way between the thrower's feet.Handbook of Summer Athletic Sports | Various
To facilitate the measurement, a line shall be drawn parallel to and 300 ft. in front of the scratch-line.Handbook of Summer Athletic Sports | Various