ceremonially place a crown on the head of (someone) in order to invest them as a monarch.
he went to Rome to be crowned
be the triumphant culmination of (an effort or endeavor, especially a prolonged one).
years of struggle were crowned by a state visit to Paris
(of a baby's head during labor) fully appear in the vaginal opening prior to emerging.
It was an easy labour and, within five hours, Filipa was fully dilated and the baby's head was crowning .