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.
The incus bone in the middle ear.
To fashion on, or as if on, an anvil.
Any member of the order Aplysiamorpha or Anaspidea, large marine gastropod molluscs with a soft internal shell made of protein.