Meaning of CREST in English
The ~ of a hill or a wave is the top of it.
If you say that you are on the ~ of a wave, you mean that you are feeling very happy and confident because things are going well for you.
The band are riding on the ~ of a wave with the worldwide success of their number one selling single.
PHRASE: v-link PHR, PHR after v
A bird’s ~ is a group of upright feathers on the top of its head.
Both birds had a dark blue ~.
A ~ is a design that is the symbol of a noble family, a town, or an organization.
On the wall is the family ~.
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012