noun
ADJECTIVE
▪ sharp
▪ blunt , dull ( esp. AmE )
▪ curved , pointed , serrated , thin
▪ metal , stainless-steel , steel
▪ knife , razor , saw , scalpel , sword
▪ rotor , turbine
▪
a helicopter's rotor ~s
▪ rotary
VERB + BLADE
▪ sharpen
▪ draw
▪ sheathe
▪ swing
▪
He swung the ~ with all his strength.