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.
The top or cover of a container.
A hermetically sealed top piece on a microchip such as the integrated heat spreader on a CPU.
In amateur radio, an incompetent operator.
A cap or hat.
One ounce of cannabis.
A restraint or control, as when "putting a lid" on something.
A kid (from the rhyming slang bin lid)
A bodyboard or bodyboarder.
A motorcyclist's crash helmet.
To put a lid on (something).