blade
US /bleɪd/
UK /bleɪd/

1.
ostrze
the flat, cutting part of a knife, sword, or other cutting tool or weapon
:
•
The knife has a sharp blade.
Nóż ma ostre ostrze.
•
He sharpened the blade of his axe.
Naostrzył ostrze swojej siekiery.
2.
ostrze
the flat, cutting part of a knife, sword, or other cutting tool or weapon