Blade

aleta

(flat, functional end of a tool or utensil, such as a propeller, oar, hockey stick, screwdriver, or skate)

fio

(typically sharp-edged working end of a knife or other cutting tool)

folha

(narrow leaf of a grass or cereal)

gume

(typically sharp-edged working end of a knife or other cutting tool)

limbo

(the flat part of a leaf or petal)

lâmina

(typically sharp-edged working end of a knife or other cutting tool)

lâmina

(a weapon such as a dagger)

lâmina

(thin plate, foil)

pá

(flat, functional end of a tool or utensil, such as a propeller, oar, hockey stick, screwdriver, or skate)

pá

(airfoil in windmills and windturbines)