at the start

line across a billiard table behind which the cue balls are placed at the start of a game

it was destroyed July 14, 1789 at the start of the French Revolution n

n a reduced or scarcely developed leaf at the start of a plant's life (i.e., cotyledons) or in the early stages of leaf development

a chemical substance that is present at the start of a chemical reaction

n an organized expression of goodwill at the start of a trip or new venture n a start given to contestants