Definitions
1.nounA heavy iron block used in the blacksmithing trade as a surface upon which metal can be struck and shaped.
2.nounAn incus bone in the middle ear.
3.nounA stone or other hard surface used by a bird for breaking the shells of snails.
4.nounThe non-moving surface of a micrometer against which the item to be measured is placed.
5.verbTo fashion on an anvil (often used figuratively).