crown -- (the part of a hat (the vertex) that covers the crown of the head)
crown -- (an English coin worth 5 shillings)
crown, treetop -- (the upper branches and leaves of a tree or other plant)
peak, crown, crest, top, tip, summit -- (the top or extreme point of something (usually a mountain or hill); "the view from the peak was magnificent"; "they clambered to the tip of Monadnock"; "the region is a few molecules wide at the summit")
pennant, crown -- (the award given to the champion)
crown, crownwork, jacket, jacket crown, cap -- ((dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth; "tomorrow my dentist will fit me for a crown")