Crown
<B>1.</B> In dentistry, the portion of the tooth that is covered by enamel.
<B>2.</B> Also in dentistry, a type of restoration that covers all or most of the natural tooth.
<B>3.</B> In anatomy, the top of the head, as in the crown-rump length of a fetus.
<B>4.</B> In obstetrics, when a generous portion of the fetal scalp (the crown) become visible at the vaginal opening during labor.
Soon after the baby crowns, delivery usually occurs