An anvil is defined as a block made of iron and used as a surface on which to hammer heated metals into desired shapes.(noun)
An example of someone who might use an anvil is a blacksmith.
The definition of an anvil is a non-moving portion of some tools used for measurement.(noun)
An example of a tool that has an anvil is a measuring gauge.
See anvil in Webster's New World College Dictionary
Origin: ME anvelt < OE anfilt < an, on + *filtan, to hit, beat < IE base *pel-, to beat > (im)pel, felt
See anvil in American Heritage Dictionary 4
Origin: Middle English anfilt
Origin: , from Old English; see pel-5 in Indo-European roots.
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