The incus bone in the middle ear.
A stone or other hard surface used by a bird for breaking the shells of snails.
A horizontal-topped mass of cloud, shaped like a blacksmith's anvil, that forms before a thunderstorm.
The non-moving surface of a micrometer against which the item to be measured is placed.
A heavy iron block used in the blacksmithing trade as a surface upon which metal can be struck and shaped.
To fashion on, or as if on, an anvil.
The middle ear.
A kettledrum.
The diaphragm of a telephone.
An external hearing organ in some insects.
An ornamental panel in any triangular space.
The eardrum.