the outer boundary of an artifact or a material layer constituting or resembling such a boundary | a hinged airfoil on the upper surface of an aircraft wing that is raised to reduce lift and increase drag |
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight | an airfoil mounted on the rear of a car to reduce lift at high speeds |
a superficial aspect as opposed to the real nature of something | someone who takes spoils or plunder (as in war) |
information that has become public | a candidate with no chance of winning but who may draw enough votes to prevent one of the leading candidates from winning |
the extended two-dimensional outer boundary of a three-dimensional object | someone who pampers or spoils by excessive indulgence |
the outermost level of the land or sea | |