What is "kippers"

Usage examples of "kippers".

Stalin turned back to his stove and removed a pan of kippers from under the grill.

Norweigan kippers, Oxford marmalade, coffee and Jack Daniels, which he now placed truculently in front of Vickers.

I entertained Gerald Greening in the morning room, where he ate copiously of kippers followed by eggs and bacon, all furnished by Dawson, forewarned.