Meaning of “quarter-final” - Learner’s Dictionary

quarter-final

noun [ C ] uk us /ˌkwɔːtəˈfaɪnəl/

the part of a competition when eight people or teams are left and there are four games to decide who will reach the semi-final (= when only four people or teams are left):

She was knocked out of the competition in the quarter-finals.

(Definition of “quarter-final” from the Cambridge Learner’s Dictionary © Cambridge University Press)