Definition of "distinctive feature" []

• An odd or unusual characteristic (noun)

WordNet. Princeton University. 2010.

• "The most distinctive feature in the ceremonial of the Jubilee is the unwalling and the final walling up of the "holy door" in each of the four great basilicas which the pilgrims are required to visit."
• "The permanent character of his position is the more remarkable from the fact that "itinerancy" has from the very beginning been a distinctive feature of Methodism."
• "In the same year the archbishop desired Miss McAuley to choose some name by which the little community might be known, and she chose that of "Sisters of Mercy", having the design of making the works of mercy the distinctive feature of the institute."