I. ˌkwȯ(r)-tər-ˈfī-n ə l noun
Date: 1927
1. plural : a quarterfinal round
2. : a quarterfinal match
• quar·ter·fi·nal·ist -n ə l-ist noun
II. adjective
Date: circa 1934
1. : immediately preceding the semifinal in an elimination tournament
2. : of or participating in a quarterfinal