a hinged airfoil on the upper surface of an aircraft wing that is raised to reduce lift and increase drag

an airfoil mounted on the rear of a car to reduce lift at high speeds

someone who takes spoils or plunder (as in war)

a candidate with no chance of winning but who may draw enough votes to prevent one of the leading candidates from winning

someone who pampers or spoils by excessive indulgence

a person or thing that tries to prevent someone or something from succeeding