A hat.
The mass of grape solids that floats on the surface during the fermentation of wine.
In international law, introductory text appearing in a treaty that broadly defines its principles, objectives, and background.
A cap of maintenance.
well done, a verbal representation of a hat tip
The feature above a shield on a coat of arms.
The hood-shaped upper sepal or petal of some flowers, as of the monkshood or the snapdragon.
A naked shield or protuberance on the top or fore part of the head of a bird.
The glans penis.
A hard, protective head covering, typically part of armour.
A contemptible or stupid person.
The upper part of a chemist's retort.
To cover with, or as if with, a helmet.