Meaning

noun the part of a gunlock that strikes the percussion cap when the trigger is pulled

noun a hand tool with a heavy rigid head and a handle; used to deliver an impulsive force by striking

noun the ossicle attached to the eardrum

originFrom Middle English hamer, from Old English hamor, from Proto-West Germanic *hamar, from Proto-Germanic *hamaraz (“tool with a stone head”) (compare West Frisian hammer, Low German Hamer, Dutch hamer, German Hammer, Danish hammer, Swedish hammare). This is traditionally ascribed to Proto-Indo-European *h₂eḱmoros, from *h₂éḱmō (“stone”), but see *hamaraz for further discussion. (declare a…

Etymology from Wiktionary, CC BY-SA 3.0