blade S3 /bleɪd/ BrE AmE noun [countable]
[ Language: Old English ; Origin: blæd ]
1 . the flat cutting part of a tool or weapon ⇨ edge
blade of
The blade of the knife flashed in the moonlight.
a razor blade
2 . the flat wide part of an object that pushes against air or water:
the blade of an oar
3 . blade of grass a single thin flat piece of grass
4 . the metal part on the bottom of an ↑ ice-skate
⇨ ↑ shoulder blade