| Noun | 1. | hammer - the part of a gunlock that strikes the percussion cap when the trigger is pulledstriker - the part of a mechanical device that strikes something | |
| 2. | hammer - a hand tool with a heavy rigid head and a handle; used to deliver an impulsive force by strikingball-peen hammer - a hammer with one round and one flat end; used in working metal head - the striking part of a tool; "the head of the hammer" beetle, mallet - a tool resembling a hammer but with a large head (usually wooden); used to drive wedges or ram down paving stones or for crushing or beating or flattening or smoothing percussor, plessor, plexor - (medicine) a small hammer with a rubber head used in percussive examinations of the chest and in testing reflexes tack hammer - a light hammer that is used to drive tacks | |
| 3. | hammer - an athletic competition in which a heavy metal ball that is attached to a flexible wire is hurled as far as possiblefield event - a competition that takes place on a field rather than on a running track | |
| 4. | hammer - the ossicle attached to the eardrumauditory ossicle - ossicles of the middle ear that transmit acoustic vibrations from the eardrum to the inner ear | |
| 5. | hammer - a heavy metal sphere attached to a flexible wire; used in the hammer throw | |
| 6. | hammer - a striker that is covered in felt and that causes the piano strings to vibratepiano action - action consisting of a system of levers that move a felt hammer to strike the strings when a key is depressed striker - the part of a mechanical device that strikes something | |
| 7. | hammer - a power tool for drilling rockstriphammer - a massive power hammer; raised by a cam until released to fall under gravity | |
| 8. | hammer - the act of pounding (delivering repeated heavy blows); "the sudden hammer of fists caught him off guard"; "the pounding of feet on the hallway"blow - a powerful stroke with the fist or a weapon; "a blow on the head" | |
| Verb | 1. | hammer - beat with or as if with a hammer; "hammer the metal flat"beat - hit repeatedly; "beat on the door"; "beat the table with his shoe" forge, hammer - create by hammering; "hammer the silver into a bowl"; "forge a pair of tongues" | |
| 2. | hammer - create by hammering; "hammer the silver into a bowl"; "forge a pair of tongues"hammer - beat with or as if with a hammer; "hammer the metal flat" beat - shape by beating; "beat swords into ploughshares" foliate - hammer into thin flat foils; "foliate metal" dropforge - forge with a drop-forge; "drop-force the metal" | |