n.
Pronunciation: ' spo ̇ i-l ə r
Function: noun
Date: 15th century
1 a : one that spoils b : one (as a political candidate) having little or no chance of winning but capable of depriving a rival of success
2 a : a long narrow plate along the upper surface of an airplane wing that may be raised for reducing lift and increasing drag ― see AIRPLANE illustration b : an air deflector on an automobile to reduce the tendency to lift off the road at high speeds