Refers to the sharpened edge of a knife, sword, or similar tool. Can also refer to the blade as a whole.
This kitchen knife has a very sharp blade.
The sword's edge got chipped.
prong; plug blade
Used for the flat metal prongs of an electrical plug. Often in contexts like プラグの刃.
It's dangerous if the prongs of the plug are bent.
I sharpened the kitchen knife's blade.
The prong of the old plug ended up breaking.
When I cut into the stone, the blade chipped.
He pointed the blade of the knife at the other person.
刃 refers only to the blade edge itself, while 刃物 refers to the whole tool or weapon that has a blade.
刃 refers only to the cutting edge of a blade, whereas 剣 refers to the entire sword.
blade length; length of a blade · sword-edge walking; walking barefoot on a sword blade
deba knife; broad-bladed kitchen knife for fish
temper pattern of a sword blade
lancet
blade length; length of a blade
dull blade; blunt sword
sashimi knife; yanagiba
tempered blade
suguha; straight temper line
thin blade · thin-bladed vegetable knife; usuba knife
double-edged saw