Letters that make flaps
s, a, f, l, p are letters that make 'flaps'
1 possible definitions for 'flaps'
Under this definition, flaps is a noun and has the following properties:
flap has the same meaning as flaps
'flaps' can be a type of airfoil, aerofoil, control surface, surface.
landing flap is a type of flaps.
'flaps' can be a part of wing.