What is Wera Or Were?

Legal Definition
The estimation or price of a man, especially of one slain. In the criminal law of the Anglo-Saxons, every man's life had its value, called a "were," or "capitis aestimatio."
-- Black's Law Dictionary
Legal Definition
The price of a man; the price to be paid the relatives of a decedent for killing him.
-- Ballentine's Law Dictionary