An extra or additional item beyond the expected number.

अतिरिक्त या अपेक्षित संख्या से अधिक।

English Usage: She had supernumerary nipples, which were a rare condition.

Hindi Usage: उसके पास अतिरिक्त निप्पल थे, जो एक दुर्लभ स्थिति थी।