Meaning of LEADING in English

LEADING

I . *lead·ing

/ ˈliːdɪŋ; NAmE / adjective [ only before noun ]

1.

most important or most successful :

leading experts

She was offered the leading role in the new TV series.

He played a leading part in the negotiations.

2.

ahead of others in a race or contest :

She started the last lap just behind the leading group.

These are the leading first-round scores.

II . lead·ing

/ ˈledɪŋ; NAmE / noun

[ U ] ( technical ) the amount of white space between lines of printed text

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.