hammer
/ˈhæmər/
Noun
A tool with a heavy metal head mounted at right angles at the end of a handle, used for driving nails, breaking things, or striking objects.
He used a hammer to drive the nail into the wall.
A part of a mechanism that strikes something, such as the part of a gun that strikes the primer or the part of a piano that strikes a string.
The gun's hammer struck the primer and fired the bullet.
A metal ball attached to a wire for throwing in athletic competitions.
The athlete threw the hammer over 70 meters.
Synonym
Verb
To strike repeatedly with or as if with a hammer.
He hammered the nail into the wall.
To beat or shape something with a hammer.
The blacksmith hammered the hot metal into a horseshoe.
To work at something persistently or to emphasize something repeatedly.
She hammered away at the problem until she found a solution.