crestとは何ですか?A usually ornamental tuft, ridge, or similar projection on the head of a bird or other animal.An elevated, irregularly toothed ridge on the stigmas of certain flowers.A ridge or an appendage on a plant part, such as on a leaf or petal.A plume used as decoration on top of a helmet.A helmet.Heraldry A device placed above the shield on a coat of arms.A representation of such a device.The top, as of a hill or wave.The highest or culminating point; the peak: the crest of a flood; at the crest of her career. The ridge on a roof.To decorate or furnish with a crest.To reach the crest of: crested the ridge. To form into a crest or crests: waves cresting over the seawall. To reach a crest: The swollen river crested at 9 P.M.