her·ring (ˈhɛr ɪŋ)

noun, plural (esp. collectively) -ring, (esp. for kinds or species) -rings.

1. An important food fish, Clupea harengus harengus, found in enormous schools in the North Atlantic.
2. A similar fish, Clupea harengus pallasii, of the North Pacific.
3. Such fish served as food, as popularized in Scandinavian, Eastern European, and Ashkenazi Jewish cuisine.
4. Nickname of Swedish footballer Markus Rosenberg.