Noun

1. The crown (or the reigning monarch) as the symbol of the power and authority of a monarchy
2. The part of a tooth above the gum that is covered with enamel
3. A wreath or garland worn on the head to signify victory
4. An ornamental jeweled headdress signifying sovereignty
5. The part of a hat (the vertex) that covers the crown of the head
6. An english coin worth 5 shillings
7. The upper branches and leaves of a tree or other plant
8. The top or extreme point of something (usually a mountain or hill)
9. The award given to the champion
10. The top of the head
11. (dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth
12. The center of a cambered road

Verb

1. Invest with regal power; enthrone
2. Be the culminating event
3. Form the topmost part of
4. Put an enamel cover on