The head-like mouthpart apparatus of a tick, including the palpi, mandibles, and hypostome.
A small protuberance on a bone which articulates into another bone to form a ball-and-socket joint.
A densely clustered inflorescence composed of a large number of individual florets arising from a platform-like base.
A naked shield or protuberance on the top or fore part of the head of a bird.
The hood-shaped upper sepal or petal of some flowers, as of the monkshood or the snapdragon.
The feature above a shield on a coat of arms.
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.